There are 2,936 words that end with UM in our word list of 382,657 words, and every one of them is on this page — grouped by length so you can scan fast, with a live filter when you need something narrower. The biggest group is the 8-letter words (464 of them); the spread is 1 of them 2 letters long, 15 of them 3 letters long, 38 of them 4 letters long, 92 of them 5 letters long, and more up to 15 letters. The longest entries are actinosphaerium, androsporangium and anthracotherium. Word-game players keep lists like this open for a reason: Scrabble and Words With Friends reward the obscure corners of the dictionary, crossword solvers live on pattern matching, and Wordle players work by elimination.
The full list
2-letter words (1)
um
3-letter words (15)
aum bum cum dum fum gum hum lum mum num rum sum tum vum yum
4-letter words (38)
ahum alum arum brum caum chum clum crum doum drum gaum geum glum grum haum meum neum odum ogum ovum pium plum roum rsum saum scum sium slum snum soum stum suum swum taum tuum tyum unum utum
5-letter words (92)
accum adsum aevum album algum annum antum apium aurum begum bogum bonum bryum carum cavum cecum chaum datum degum donum durum dwaum ervum fanum filum forum garum glaum hilum hokum ileum ilium imaum iseum jocum jorum jugum khoum kokum kusum lanum larum ledum linum locum lorum malum mecum minum mnium mokum nahum nexum notum novum nudum oakum odeum odium oleum onium opium otium pedum petum pilum pisum pneum rheum rozum sagum sarum scaum scrum sebum sedum serum sevum shtum slaum solum strum tecum tetum thrum totum tucum ungum utrum velum vinum vodum
6-letter words (218)
abraum acetum actium adytum aecium agarum ainhum alarum allium alypum amomum amylum anatum anisum antrum artgum asarum asylum atrium barium beflum bellum bivium blitum boogum boojum bunkum caecum caelum callum caseum centum cerium cesium cholum cilium circum cisium clerum coakum codium coecum collum colyum conium corium crinum cundum cuprum curium dadgum damnum davyum dictum dinkum dirdum dolium dorsum dumdum durdum echium erbium estrum exacum factum falsum feodum ferrum feudum figgum fogrum folium frenum fretum furtum galium gandum gersum glotum gnetum gonium granum gutium gypsum heikum helium hookum humhum hummum hydnum hypnum idolum illium indium ingrum ionium iterum kalium khanum kumkum labium labrum lamium lantum lignum lilium loadum logeum logium lolium lookum lotium lucrum luteum lyceum lycium lygeum magnum mallum marrum medium mentum milium minium moolum multum murium museum mutuum naulum nerium nickum nincum nullum oarium ocimum oidium omasum omnium osmium ostium outsum ovulum pablum pactum pannum parfum pellum pensum peplum phleum phylum pielum pileum planum plenum podium possum pundum punjum pushum quorum quotum radium rectum regnum replum rignum rumdum sacrum sapium scutum senium sensum sepium septum sertum siglum signum skelum sodium sputum subgum sumdum talcum tangum tantum targum tarpum tectum tedium telium tergum tignum tomium tottum tumtum turrum unicum urucum vacuum vadium valium vallum vellum verbum viscum vitium vitrum wampum worsum xenium xystum yercum zaqqum zincum zoacum zythum
7-letter words (283)
abandum additum agendum agonium aleikum alodium alterum alumium alundum alyssum amentum anethum anticum antihum apertum arcanum arctium arolium ascyrum azonium baculum ballium balneum belgium bertrum bittium blaflum blellum bluegum bohrium bonorum bucklum cadmium caesium calcium cambium cancrum cardium carpium castrum cedrium celtium centrum cestrum chetrum chillum ciliium cirsium citatum claggum clankum clausum clinium clinkum cneorum colorum comarum corneum cranium crankum crinkum crissum crumbum cymbium darksum debitum decorum deorsum dertrum doarium doldrum droddum dubnium eardrum edictum effatum ejectum elogium eluvium elysium elytrum emanium embolum enrheum epigeum erineum erodium erratum exodium exuvium fermium flabrum fraenum frustum fulcrum galerum gallium gentium grassum grumium hafnium hahnium hamatum hassium holmium hoodlum hordeum horreum humdrum hummaum ibidium ibolium ideatum imbrium imonium infimum iridium ischium isidium janapum jejunum jugerum jugulum labarum ladanum lenaeum liberum libitum lingoum lithium locatum lockrum loukoum lunatum lustrum lythrum mashlum maximum mesclum minimum modicum muonium murdrum natrium nauseum nihilum niobium nostrum notaeum nubilum oestrum offscum ogonium omentum ooecium opossum oppidum optimum orarium organum orpheum osculum otidium otozoum outswum ovarium oversum oxonium ozonium pabalum pabulum pallium pangium panicum pantoum papadum peganum phascum phellum phloeum pinetum plagium pleurum plumbum pomatum popadum populum positum premium pretium protium psidium punctum pycnium pythium quadrum quantum rastrum relatum rhenium rhodium rosetum rostrum sabulum sanctum scrotum sechium seculum semarum sesamum shellum silybum simblum simplum sistrum skellum skookum slumgum smeddum smiddum smithum solanum solidum sorghum spatium spatlum spodium spolium stadium stagnum stannum stereum sternum stewbum stibium stickum stilbum stomium stratum studium stuprum syrnium tabacum taedium talinum tantrum tapetum templum terbium tertium tetotum theasum thecium thelium theorum theseum thesium thingum thorium thulium tilikum toxicum trankum triduum trilium trinkum triplum tritium trivium typicum ultimum uralium uranium uredium verutum vitreum wanapum welsium yttrium yusdrum zibetum zoarium zoecium
8-letter words (464)
abomasum absurdum achenium aciculum aconitum acontium acridium acrydium actinium addendum adiantum aecidium aerarium aerobium affectum ageratum alangium albarium alburnum aleikoum alinotum allodium alluvium aluminum ammobium ammonium amoebeum anestrum antiquum apocynum apterium aquarium arbustum argentum armarium arsenium arsonium asarotum ascidium aspidium assertum atheneum athyrium aurorium austrium auxilium balsamum basidium bdellium biennium bifolium binarium bipalium blackgum blechnum bohemium boracium bothrium brabejum brachium bronteum brosimum bryozoum buccinum bungarum caladium callosum cammarum canarium canticum capsicum caputium cardamum carmalum catallum caudatum causatum cecidium cementum cenobium ceramium ceratium cerebrum ceruleum cervicum cetaceum checksum chimakum chromium chuckrum cibarium ciborium ciliolum cimelium cingulum clericum coagulum cocoplum codiaeum cognitum coliseum colobium comitium compitum conarium conidium conubium corallum coremium coronium corundum coryneum crotalum cubelium cyathium cydonium cymatium dapedium decipium decoctum decretum dedendum defectum delictum delirium delubrum dendrium deutovum diaculum dicranum didinium didymium diestrum dihelium diluvium dimensum disodium disporum distomum doliolum domatium dominium doralium dorsolum dorsulum drupetum duodenum ejaculum electrum embolium empetrum empodium emporium empyreum encomium ephebeum epigynum epimerum ericetum eryngium erysimum eugubium eulogium europium exemplum exordium expansum extensum externum extremum factotum feretrum fevergum floretum flustrum francium frenulum fumarium furculum fusarium gabendum galbanum gamobium gatherum gelidium georgium geranium gerendum gigerium glaucium glucinum gonidium gonimium granatum graphium guaiacum guaiocum gynecium gynerium habendum haustrum helenium heredium homagium humstrum hymenium hypogeum hyraceum idyllium illicium illinium illuvium imperium indicium indusium infectum ingenium inoculum inunctum iodinium iodonium ionidium irenicum isodomum jasminum judicium kalidium khartoum korrigum labdanum labellum laburnum lararium laudanum lecanium lepidium leucojum limonium lineatum linoleum lixivium lomatium lomentum lunarium lutecium lutetium lygodium macallum macellum mandatum masurium meconium mellitum melodium mezereum mocuddum momentum motorium murarium mutandum mycelium myoporum navagium nebulium ngultrum nobelium notandum nympheum olibanum olpidium ommateum omoideum oncidium onychium ooangium oogonium ophidium oppossum opsonium oraculum ordalium origanum orontium ossarium ostracum overswum oviculum palatium palmetum pantheum paracium paritium paspalum patagium peculium pedalium pendulum peponium peramium peridium perigeum perineum perinium peronium pessimum petrosum philtrum phormium phrygium phyllium piaculum pilidium pinoleum pisidium placitum plastrum platinum plectrum plethrum podetium polonium pomarium pomerium popodium poppadum posticum poterium praedium preilium privatum probatum proemium pronotum proprium protovum psilotum psyllium ptilinum publicum pudendum pullorum pulpitum puparium puppodum pygidium pyrylium pyxidium quinetum ramentum rameseum ranarium refugium remedium residuum resilium rhabdium ricinium romanium rosarium rubidium rusticum sacellum saeculum samarium santalum sassagum scalenum scalprum scandium schellum scholium scordium scrampum scrinium scriptum scutulum scybalum scyllium secretum secundum sedilium selenium seminium septulum serapeum sertulum sesuvium sigillum silicium silphium silundum simpulum simulium sizygium solarium solatium solenium soralium soredium spartium spectrum speculum sphagnum spiculum splenium squantum statutum striatum strictum sturshum subilium succinum sudarium supremum syconium symbolum syzygium tablinum taltarum tantalum tapesium tartarum taxodium teetotum tegurium tenendum testatum teucrium thallium thamnium thaspium thionium thuidium tigellum tillicum timpanum titanium tomentum trantlum trigonum trillium trisetum triticum tugurium tympanum underhum ununbium urodaeum vampyrum vanadium vaporium variorum vasculum velarium venidium veratrum vexillum viaticum viburnum videndum vinculum vivarium xanthium zooecium
9-letter words (448)
abrotanum accubitum aethalium agamobium agrauleum alcyonium alimentum allegatum aluminium alvearium amentulum americium amoebaeum amphibium anatherum angraecum anoestrum anthidium anthodium anthurium antiopium antiserum aplectrum arboretum archidium argenteum asphaltum asplenium athenaeum auchenium aurantium autoserum avizandum axopodium azaleamum azoxonium baccillum bacterium balductum barathrum berkelium beryllium biclinium bigeminum bisellium botrydium botulinum bromatium bronchium bucranium bullarium bupleurum byzantium calcaneum calcarium caldarium calderium calvarium canangium capitatum capitulum capnodium captandum carbonium caricetum carpellum carpidium castellum castoreum catasetum cavaedium cenaculum cerastium cerithium chalazium chilarium chilidium chloralum choragium cichorium cladodium claustrum cleithrum climacium clitellum cnemidium coccidium coelarium coenobium colchicum collegium collodium colluvium collyrium colosseum colostrum columbium combretum concilium conclusum congoleum conjugium connubium contagium continuum conundrum corallium cormidium corticium craspedum credendum crembalum cribellum criterium ctenidium ctenolium cubiculum cymbidium cymoidium cynanchum cyrtomium cystidium dacrydium dardanium decennium defluvium deliquium deltarium deltidium denotatum dentalium depositum desmodium deuterium diachylum diacodium diazonium dicalcium dichasium diclesium dioestrum doronicum drepanium dryadetum ecballium ectropium effluvium elaphrium elasticum elaterium embaphium encarpium endangium endosteum entropium ephippium ephymnium epicedium epigonium epilabrum epilobium epimedium epimysium epipodium epitonium equisetum eriogonum euphonium europhium excipulum exocoelum exogonium faciendum fagopyrum farfugium fastidium fastigium fermentum flabellum flagellum fraenulum frumentum frustulum gastraeum gelsemium geminorum geniculum germanium germarium glabellum glucinium gonangium gonoecium gorgoneum gossypium gymnasium gynaeceum gynaecium gynoecium harmonium hedychium hedysarum heracleum herbarium hieracium hippidium holosteum hordeolum hortorium hospitium hydronium hymnarium hypantrum hypericum impluvium inarculum incendium indecorum infinitum janiculum jargonium laconicum lactarium lantanium lanthanum larvarium legitimum ligustrum limnobium limodorum lupulinum magnalium magnesium mancipium manganium manificum manubrium marrubium marsupium martyrium mastigium mausoleum mazaedium memnonium menstruum mesoarium mesonotum metanotum metridium microbium miliarium millenium mithraeum molluscum mosocecum myctophum myoseptum nectarium nelumbium neodymium nephelium neptunium nipponium nonvacuum nymphaeum obligatum obsequium omentulum onchidium operculum opusculum oratorium ossiculum ossuarium otoconium ovogonium oxygenium palaquium palladium paramylum paroarium partinium pastorium penthorum percentum perceptum periareum periculum perinaeum perpetuum petrobium petroleum philonium pinaculum plenarium plutonium pogonatum pollinium polygonum pomoerium postnotum potassium practicum prebellum precarium prelabrum preludium preputium prescutum presidium pretorium prolabium prooemium propodeum propodium prosopium prytaneum pseudovum pteridium pterygium pulsellum punctulum pycnidium pylangium pyrethrum quadratum quadrimum quaesitum quantulum quercetum reddendum residiuum respectum responsum reticulum rhinarium rhipidium rhizobium rhopalium rostellum rostrulum ruthenium saccharum sacrarium sagapenum salicetum sargassum sarmentum sarothrum scabellum scoparium scripulum scrupulum scutellum sensillum sensorium separatum septarium septerium servitium sexennium sicilicum silentium similimum siphonium sparganum specillum sphaerium spirillum splachnum sporidium stibonium stomodeum stragulum strontium stylidium subiculum submentum subphylum subsidium sugarplum suggestum sulfonium symphytum sympodium symposium synangium syncytium synedrium synsacrum syringium taenidium talliatum tanacetum taraxacum tectorium tegmentum tellurium tenaculum tentillum tentorium terrarium thalamium thyridium tilicetum tormentum trapezium triadenum tribolium tricerium tricinium triennium trifolium triforium triosteum tripsacum tripudium triregnum trisodium triticeum tritorium triturium trophaeum ultimatum uncinatum unctorium unguentum unifolium uredinium urinarium uropygium vaccinium vehiculum verbarium verbascum vestigium victorium virginium virgultum vitallium viticetum volsellum vulsellum xeromyrum ytterbium zirconium zoocytium zygantrum
10-letter words (435)
abaptistum absinthium acetabulum achenodium acquisitum acridinium acridonium acropodium acrosarcum acroterium aegopodium agallochum alabastrum ambulacrum americanum amianthium ammoniacum anabathrum anacardium anaerobium androecium anglicanum anhalonium antebellum antelabium antepartum anthericum antilobium antimonium apothecium aquascutum arcosolium argumentum arillodium armariolum artemisium ascogonium auditorium azthionium basigynium batrachium beneficium bothridium botrychium brimborium brontozoum cafetorium cairngorum calocarpum capitellum capitolium captaculum centaurium centennium ceramidium cerebellum characetum charmonium chromatium chromidium chytridium cinerarium cinnamomum closterium cockalorum coelastrum coenaculum coenoecium coenosteum colatorium colloquium cometarium commercium commodatum compendium compluvium conchylium connexivum conopodium consortium coprodaeum copularium corbiculum corbovinum coriandrum corniculum criobolium cronartium crucibulum crystoleum curatorium curriculum cyanastrum cynomorium delphinium delthyrium dendrobium desiderium designatum diaconicum diagredium diagrydium diammonium digitorium diparentum disparatum dracontium dysprosium ekacaesium elotherium emendandum emissarium emplastrum endomysium epicardium epicentrum epichilium epicranium epidendrum epineurium epiphloeum epiphyllum episcenium episporium episternum epithecium epithelium eponychium eranthemum erechtheum ergastulum eriophorum eudendrium eupatorium euphorbium eustachium evangelium exadversum exosporium exothecium falciparum favelidium filopodium fimbriatum florentium foeniculum fruticetum fumatorium fusicoccum gadolinium genyantrum geoglossum glaciarium glaucidium glochidium gnaphalium gnathidium gonopodium haematinum haustellum haustorium helipterum hematobium hemelytrum homicidium honorarium horologium hylocomium hyosternum hyotherium hypaethrum hypanthium hypogynium hypopodium hypoptilum hypopygium ileocaecum improprium individuum indumentum infusorium involucrum iridosmium juramentum kettledrum lawrencium lebensraum leptamnium leucobryum levisticum ligamentum ligusticum lobopodium locutorium lycopodium maleficium malicorium malvastrum maritagium meconidium meerschaum melampyrum melanthium melicratum memorandum menologium mesocaecum mesopodium mesorchium mesorectum mesoscutum mesovarium metapodium metascutum metoestrum millennium milliarium millithrum miracidium molybdenum monomorium monopodium monosodium monostomum moratorium municipium myocardium myometrium myxopodium narthecium nasturtium natatorium neoholmium neonychium neopallium nephridium nephrodium nippitatum nocumentum nonpremium nosocomium notopodium nuculanium oceanarium octavarium oedogonium ommatidium omosternum onosmodium opprobrium orichalcum osmaterium osmeterium osmiridium osphradium otocranium oxycalcium oxydendrum palilicium panaritium pancratium panjandrum paramecium parapodium parapterum paratomium paratorium parazonium parilicium parinarium parovarium parthenium pediastrum pediluvium pedimentum penicilium pennisetum periastrum peridinium peridiolum perigonium perigynium perihelium perimysium periosteum peristylum peritoneum perizonium personarum petrolatum peucedanum phalangium phlebodium phlyzacium photoalbum phyllodium plantarium plasmodium plastidium podarthrum podogynium polemonium polimetrum polyangium polycodium polyparium polypodium polysaccum postbellum postludium postpartum postulatum praecipuum praelabrum praeludium praescutum praesidium praetorium precentrum precordium pregeminum presternum prestomium primordium principium procambium procarpium proctodeum profluvium prohibitum promaximum promethium prominimum propagulum prophyllum propylaeum proscenium prosternum prostomium protegulum psalterium pseudoalum psilothrum pteropegum pterygodum ptilimnium puerperium pyridinium pyroxonium quadrivium referendum resorcinum rusticanum sanatarium sanatorium sanctorium sanitarium sanitorium scalpellum scissorium sclerotium semicupium sentiendum septennium sequestrum sestertium simulacrum sisymbrium solstitium sparganium spergillum spermarium spermatium spiraculum spoliarium spondylium sporangium stichidium stipendium stomodaeum stramonium stridhanum strumstrum stumblebum suboptimum subsellium substratum sudatorium sulphonium suppositum suprailium symplocium synaxarium syncarpium tabularium technetium tegumentum tenementum tentaculum tepidarium terebellum tetraedrum thalictrum thamnidium theligonum theologium thridacium thuribulum tirocinium trachelium tractellum triangulum tricalcium triclinium triquetrum trombidium tropaeolum tuberculum tweedledum twinkledum umbraculum unctuarium vadimonium vaporarium velamentum veredictum veretillum vestiarium vestibulum vibraculum viridarium vomitorium wolframium xanthidium zoothecium
11-letter words (389)
abecedarium achromatium acroclinium acrostichum acrostolium acrotarsium adarbitrium adminiculum aeciotelium alcicornium amphanthium amphigonium amphistomum anacleticum anchtherium androconium androgonium androphorum animalculum antecardium antependium antesternum antheridium anticardium antimensium antipendium antiquarium antirrhinum aphroditeum apodyterium arachnidium archegonium arcocentrum ascophyllum aspergillum aspersorium astrocaryum aulacomnium aurichalcum avicularium azothionium bacteririum balantidium bimillenium bryophyllum bulbocodium buphthalmum calamistrum calathidium californium calophyllum candelabrum capillitium caprifolium carbolineum carborundum carpogonium cassiopeium cataphyllum cephalodium chaetangium chalcidicum chelidonium chenopodium clabularium clinandrium clinanthium clinopodium clostridium coccogonium coenanthium coleoptilum collectivum colletarium colleterium collunarium collutorium colophonium columbarium concordatum conditivium conditorium condominium conoclinium corpusculum corrigendum corvillosum crematorium crepusculum cycloconium cynoglossum cypripedium cytocentrum decussorium definiendum desideratum diachaenium diascordium dinotherium dipotassium dryophyllum einsteinium ekatantalum endarterium endocardium endocranium endodontium endometrium endoneurium endophyllum endosporium endosternum endostracum endothecium endothelium ensisternum entosternum epibaterium epicleidium epigastrium epionychium epitrichium epitympanum equilibrium erythronium eubacterium exobasidium exoperidium explicandum favellidium ferrocerium florilegium formicarium frigidarium fusicladium gametangium geocoronium gestatorium gonidangium gymnocidium gymnodinium gynostegium gynostemium halitherium halteridium hauberticum helianthium helichrysum hemicentrum hemicyclium hephaesteum hesperidium hippeastrum homiliarium hormogonium hydrargyrum hydrogenium hyphopodium hypocarpium hypocentrum hypochilium hypoischium hyponychium hypophyllum hyposcenium hyposternum hypothecium incunabulum inductorium innominatum insectarium intercilium interdictum intermedium internodium interradium interregnum interseptum intervallum intervenium itinerarium lactucarium laserpitium latifundium latrocinium leiophyllum leprosarium leucocrinum lithopedium lubritorium lundinarium macroseptum madisterium magisterium maianthemum malabathrum manutergium mediastinum meditullium megasclerum megatherium melampodium melanconium mendelevium menispermum mesenterium mesocardium mesochilium mesometrium mesopetalum mesophyllum mesorhinium mesosporium mesosternum mesothelium mesothorium metasternum microseptum microsporum ministerium monocalcium monochasium multangulum muscatorium myelogonium myxosporium nannandrium necessarium nemathecium neodidymium neostriatum neuropodium notocentrum nototherium observandum omphalodium oophoridium opobalsamum organistrum ostensorium pandemonium panegyricum paracolpium paracystium paradentium parametrium paramoecium parapleurum parascenium parasternum parodontium paronychium patrimonium patrocinium pelargonium penicillium pentastomum perianthium pericardium pericarpium pericladium periclinium pericranium pericystium peridentium peridermium peridesmium perimartium perimetrium perineurium periodontum periphyllum peristomium peristylium perithecium perithelium peritonaeum periuranium pervigilium phoranthium phosphonium phragmidium pittosporum planetarium platycerium plebiscitum plectridium podophyllum pollinarium pollinodium polyandrium polychasium polygonatum polyphonium polystichum polystomium polytrichum polyzoarium positronium postcentrum postgeminum postscenium praecordium praesternum praestomium prebrachium procerebrum proctodaeum promptorium promycelium propatagium propygidium proscholium prothallium provinculum pseudovelum pteropodium pyrotherium quadrennium quinolinium radiosodium raspatorium recipiendum reformandum refrigerium repertorium retinaculum rhabarbarum saccolabium sacerdotium sacramentum samotherium sarcoseptum satellitium scientiarum scriptorium sempervivum sensibilium septogloeum sericterium sivatherium soliloquium sorosporium spermatovum sphaeridium sphaeripium sporidiolum sporogonium staminodium stizolobium stomatodeum stylopodium subcingulum subdelirium subhymenium succedaneum supercilium suppedaneum syllabarium syncerebrum synchytrium taurobolium telescopium telluronium termitarium testamentum testimonium tetrazolium transversum triachenium triammonium tricenarium tridominium trinorantum uropatagium urticastrum vitellarium vorticellum whirlygigum xenodochium xeranthemum xerophyllum zanthoxylum zoocecidium zoodendrium zoogonidium zoospermium zygomaticum zygophyllum
12-letter words (243)
aceratherium acroconidium acrodactylum acutenaculum aldebaranium ambulatorium amphicarpium amphithecium ancylostomum androclinium antebrachium anthoclinium anthospermum anthoxanthum apogalacteum aposaturnium appressorium arceuthobium archesporium archipallium ascogonidium atmospherium auriscalpium autobasidium bimillennium bulbophyllum calistheneum calycocarpum cardiocarpum caulophyllum ceennacuelum centauridium chamaelirium chirotherium chlorococcum citharexylum cladophyllum cladosporium coeloglossum coenocentrum coleosporium collectarium conioselinum coniothyrium conocephalum contubernium crassamentum crepitaculum crocanthemum cuprammonium cyclammonium cysticarpium deinotherium deliberandum dichapetalum discocarpium diverticulum dorcatherium drosophyllum ectopatagium eequinoctium elaeothesium endoconidium endogonidium endoperidium enterolobium epigastraeum epitendineum epithalamium erythroxylum excubitorium flabellarium frisesomorum fumigatorium gametogonium gastrolobium gloeosporium glossocomium glossopodium gompholobium grypotherium gubernaculum helianthemum heliotropium hemerologium hemibasidium hemicerebrum hibernaculum hipposelinum hologonidium hydrocladium hydrophyllum hymenophorum hypocleidium hypodactylum hypogastrium hypophyllium hypopygidium hypsophyllum incitamentum incubatorium incunabuulum infundibulum intercentrum intermundium interstitium kurchatovium leontopodium leptospermum limnanthemum lithopaedium lithospermum lophodermium macrosporium macrotherium mesogastrium mesorrhinium mesostethium microcentrum microsclerum microscopium moeritherium monoammonium mycocecidium mycodomatium myriophyllum myrsiphyllum navipendulum neoytterbium neurocentrum onohippidium oosporangium ophioglossum organosodium ornithogalum osteocranium osteoglossum palaeoniscum paludamentum panhellenium pannuscorium paraphyllium paraproctium pastophorium pelvisternum pentachenium penultimatum pericementum perichaetium perinephrium periodontium perionychium periostracum peristethium peritrochium petroselinum phyllopodium pistillidium pleuropodium postbrachium postliminium postscriptum praecognitum praseodymium pregeniculum preoperculum presbyterium presubiculum preventorium progymnasium propterygium proscutellum prosectorium prosequendum protactinium protargentum prothalamium protocalcium pseudolabium pseudopodium pseudoscutum pycnanthemum quadricinium quadriennium quadrifolium quinaldinium quinquennium quinquertium radiocalcium radiothorium receptaculum respondendum rhabdocarpum rhacomitrium salutatorium sarcodictyum scleroseptum scytopetalum selenipedium semidelirium serpentarium significatum sisyrinchium sondylomorum spermagonium spermogonium sporangidium sporangiolum sporocarpium sporodochium sporophydium sporophyllum sporostegium sporotrichum stenotaphrum stillicidium stomatodaeum stylostegium suboperculum succintorium supernaculum superstratum suspensorium synapticulum synclinorium telharmonium tillaeastrum transuranium trichosporum tripotassium uintatherium understratum ungeuntarium unguentarium uromycladium vertebrarium verticillium verumontanum vincetoxicum wolframinium xiphisternum xiphosternum xylobalsamum
13-letter words (175)
acaridomatium acarocecidium actinouranium agrobacterium allopalladium amphigastrium androcephalum androgonidium anoplotherium anteoperculum anticlinorium araliophyllum archicerebrum armadillidium armamentarium arrhenatherum aureocasidium autocoenobium basipterygium benzopyrylium blastophyllum brachyphyllum brontotherium cardiospermum carpocephalum cathartolinum cathedraticum cephalanthium ceratophyllum cheirotherium chiropatagium chondroseptum chordacentrum chrysanthemum chryselectrum chrysophyllum cirrhopetalum clavicularium clistothecium cochlospermum communitorium conceptaculum conciliabulum consolamentum cuproammonium cyathophyllum cytoreticulum decamethonium demonstrandum dracocephalum echinospermum ectobronchium elaphoglossum elasmotherium entobronchium entomosporium epimyocardium episporangium erythrogonium evangeliarium ferroaluminum ferrochromium ferrotitanium ferrovanadium fusobacterium gazophylacium glossotherium glyptotherium gymnocalycium hemicholinium heterosporium hexamethonium hydrophyllium hymenophyllum hypochondrium hyracotherium imantophyllum inclinatorium inequilibrium intercalarium interscapulum iridectropium iridentropium lectisternium lepidophyllum limboinfantum macroconidium macrogonidium martyrologium mesenteriolum mesepisternum mesepithelium mesochondrium mesoprescutum mesopterygium mesoscutellum metalammonium metaprescutum metapterygium metascutellum metepisternum microconidium microgonidium monopotassium mycobacterium myelobrachium myelospongium neurospongium odontoglossum oleosaccharum organolithium palaeotherium paleostriatum paphiopedilum perforatorium perichondrium perineptunium perisaturnium peritendineum phyllocladium physcomitrium pithecolobium platiniridium pleurocentrum postscutellum praeoperculum precurriculum prehaustorium prememorandum proepisternum propugnaculum proreferendum prosporangium protoactinium protobasidium protocerebrum protochromium prototitanium protovanadium pseudisodomum pseudocentrum pseudonychium pseudostratum pterygopodium pycnoconidium pycnogonidium pyoperitoneum quadrigeminum radioactinium radiothallium respiratorium restibrachium rutherfordium schizophyllum scolopendrium semicontinuum septobasidium spermatangium spermophorium sphenophyllum spizzerinctum stylogonidium subcinctorium succinctorium sulphammonium sustentaculum testibrachium tetragonidium tintinnabulum titanotherium trichodesmium tritocerebrum vibracularium vivisectorium zoosporangium
14-letter words (93)
actinotrichium aeroperitoneum alexipharmacum antejuramentum araliaephyllum archaeotherium archipterygium arsinoitherium baluchitherium castanospermum cephalosporium chalicotherium cheiropatagium chiropterygium chondrocranium chrysosplenium clavicytherium cleistothecium colletotrichum confricamentum conservatorium desmepithelium diplobacterium disequilibrium ectonephridium elaeosaccharum ferrozirconium fideicommissum flavobacterium gonoblastidium gynosporangium haemosporidium helladotherium hemoperitoneum hemoplasmodium hydrophylacium hypotrachelium intermenstruum interoperculum interscapilium iridioplatinum labiotenaculum macrobacterium megasporangium meniscotherium mesonephridium microbacterium monosporangium neurepithelium nitrobacterium nonequilibrium organochordium palaeostriatum paleoytterbium phosphammonium photobacterium phrontisterium plagiopatagium polysporangium praseodidymium pregeniculatum protevangelium protomagnesium protostrontium pseudobasidium pseudobrachium pseudomycelium pseudoperculum pseudoperidium pseudospermium pyopericardium quinocarbonium radiopotassium radiostrontium retinasphaltum rhapidophyllum rhinosporidium rhodospirillum satisfaciendum scelidotherium sceuophylacium schizotrypanum seroperitoneum snipsnapsnorum spermatogonium sphaeristerium sulphoselenium tetramethylium tetrevangelium trophospongium valetudinarium zilchviticetum zygosporangium
15-letter words (42)
actinosphaerium androsporangium anthracotherium arthrobacterium batrachospermum carposporangium chartophylacium cheiropterygium chromobacterium corynebacterium cylindrosporium dactylopatagium dipterocecidium enterobacterium evangelistarium extracurriculum ferromolybdenum grammatophyllum gymnosporangium hemopericardium hydroperitoneum hypnosporangium interambulacrum macrosporangium mercuriammonium microsporangium neuroepithelium oesophagostomum opthalmophorium organomagnesium philanthropinum postmediastinum protonephridium pseudambulacrum pseudobacterium pseudocapitulum pseudodeltidium ptychopterygium septocylindrium spondylocladium tetrasporangium trachelospermum
Frequently asked questions
How many words that end with UM are there?
Our word list contains 2,936 words that end with UM, out of 382,657 entries in total. They run from 2 to 15 letters, and the 8-letter group is the largest with 464 words.
What are the longest words that end with UM?
The longest are actinosphaerium (15 letters), androsporangium (15 letters) and anthracotherium (15 letters).
Which words that end with UM score highest in Scrabble?
By raw letter values, the top scorers on this page are schizophyllum (37 points), spizzerinctum (37 points) and gazophylacium (35 points) — before any letter or word multipliers. One honest caveat: this list is a broad English word list, so a few rare or technical entries appear that official game dictionaries (and Wordle’s answer list) do not accept. Always check a play against the dictionary your game uses.
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