There are 1,310 words that start with AU 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 9-letter words (197 of them); the spread is 11 of them 3 letters long, 16 of them 4 letters long, 39 of them 5 letters long, 83 of them 6 letters long, and more up to 15 letters. The longest entries are audiometrically, auldfarrantlike and auriculariaceae. 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
3-letter words (11)
aua aud aue auf aug auh auk aul aum aus aux
4-letter words (16)
aube auca aufs auge augh auks aula auld aulu aune aunt aura ausu aute auth auto
5-letter words (39)
aubin aucan aucht audad audio audit aueto augen auger auget aught augur aulae aulas aulic auloi aulos aumil aunes aunts aunty aurae aural aurar auras aurei aures auric aurin aurir auris aurum auryl autem autor autos autre auxil auxin
6-letter words (83)
aubade aubain aubrey auburn auceps auctor aucuba audace audads audial audian audile auding audion audios audits audrey aufait augean augend augers aughts augite augrim augure augurs augury august auhuhu auklet aulder aulete aullay aumaga aumail aumbry aumery aumils aumous aumrie auncel aunter auntie auntly auntre aupaka aurang aurata aurate aureal aurene aureus auride aurify auriga aurigo aurine aurist aurite auroch aurora aurore aurous aurums aurung aurure aushar auspex aussie auster austin ausubo autecy autere auteur author autism autist autoed automa autota autumn auxins
7-letter words (114)
auantic aubades aubaine auberge aubrite auburns aucaner auchlet auctary auction auctors aucubas audaean audible audibly audient audiles audings audited auditee auditor audubon aufgabe auftakt augends augerer augites augitic augment augural augured augurer augusta auguste augusti augusts auklets auksinu auldest auletai auletes auletic aulical aulnage aumails aumakua aunters aunties auntish aurally auramin aurated aurates aureate aureity aurelia aureola aureole aureous auresca auricle aurifex aurific aurigal aurigid aurists aurited aurochs auronal aurorae auroral auroras auscult ausform auslaut ausones auspice auspicy aussies austere austral austria austric ausubos autarch autarky auteurs authors autisms autists autobus autocab autocar autocue autoecy autoing autoist automan automat automen autonym autopen autopsy autoput autosyn autovac autumns autumny auturgy auxeses auxesis auxetic auxinic auxotox
8-letter words (164)
aubepine auberges aubretia aubrieta aubusson aucanian aucepses auchenia auckland auctions aucupate audacity audibled audibles audience audients auditees auditing audition auditive auditors auditory auditual audivise aufgabes auganite augelite augitite augments augurate augurers augurial auguries auguring augurous augustal augustan auguster augustes augustin augustly augustus auksinai auksinas aularian auletris aulicism aulnager aulnages aumailed aumbries aumildar aunthood auntlier auntlike auntrous auntsary auntship aurality auramine aurantia aurelian aurelias aurelius aureolae aureolas aureoled aureoles aureolin auricled auricles auricula auriculo aurified aurifies auriform aurilave aurorean aurorian aurorium aurrescu aurulent ausforms auslaute ausonian auspices austerer austerus australs austrian austrine austrium autacoid autarchs autarchy autarkic autarkik autecism authored authorly autistic autobahn autoboat autocade autocall autocamp autocarp autocars autocide autocoid autocosm autocrat autocues autodial autodyne autoecic autoette autogamy autogeny autogiro autogram autogyro autoharp autolith autology autolyse autolyze automacy automata automate automats autompne autonomy autonyms autopens autophon autopolo autopore autopsia autopsic autoptic autoputs autorail autosign autosite autosled autoslip autosome autotomy autotune autotype autotypy autovacs autoxeny autumnal autunian autunite auxetics auxiliar auxilium auximone auxobody auxocyte auxology
9-letter words (197)
aubergine aubretias aubrietas aubrietia auchenium auctioned auctorial audacious audiencer audiences audiencia audiogram audiology audiotape audiphone auditable auditions auditives auditoria auditress audiviser aughtlins augmented augmenter augmentor augurship augustest augustine aulacodus aulophyte aulostoma aulostomi aumoniere aunjetitz aunthoods auntliest aurantium aureately aureation aureoline aureoling aureously auriculae auricular auriculas aurifying aurinasal auriphone auriscalp auriscope auriscopy auroauric aurochses aurophore aurorally ausformed auslander auspicate auspicial austausch austemper austenite austerely austerest austerity australia australic australis austrians autacoids autarchic autarkies autarkist autecious autecisms auteurism autexousy authentic authigene authoress authorial authoring authorise authorish authorism authority authorize authotype autoalarm autobahns autoblast autobuses autocades autochton autoclave autocoder autocoids autocracy autocrats autocross autocycle autodials autodrome autodynes autoecism autoecous autogamic autogauge autogenic autogiros autograft autograph autogyros autohemic autoicous autoindex autolater autolatry autolysin autolysis autolytic autolytus autolyzed autolyzes automaker automania automated automates automatic automatin automaton automelon autometry automorph automotor automower autonomic autopathy autophagi autophagy autophoby autophone autophony autophyte autopilot autopista autoplast autopoint autopolar autopsied autopsies autopsist autoriser autoroute autosauri autoscope autoscopy autoserum autosight autositic autosomal autosomes autospore autospray autostage autostyly autotelic autotimer autotomic autotoxic autotoxin autotoxis autotroph autotruck autotypes autotypic autourine autovalet autovalve autozooid autrefois autumnian autumnity autunites auxetical auxiliary auxiliate auxillary auxilytic auxoblast auxoflore auxofluor auxograph auxometer auxospore auxotonic auxotroph
10-letter words (182)
aubergiste auctionary auctioneer auctioning audacities audibertia audibility audiencier audiogenic audiograms audiometer audiometry audiophile audiotapes auditioned auditorial auditories auditorily auditorium audivision aufklarung augmenters augmenting augmentive auguration augustness auletrides aulophobia aulostomid aulostomus aureomycin auricomous auriculare auriculars auriculate auriculoid auricyanic auriferous auriflamme aurigation aurigerous aurigraphy auriscopic aurivorous aurophobia auscultate ausforming auspicated auspicious austenitic austerlitz australene australian australite australoid australorp austrasian austringer austrogaea austrophil autacoidal autarchies autarchist autarkical autarkikal autecology authigenic authorhood authorised authoriser authorized authorizer authorizes authorless authorling authorship autoactive autobahnen autobolide autobusses autocamper autocarist autocarpic autochrome autochromy autochthon autoclasis autoclaved autoclaves autocolony autocopist autocratic autocrator autodermic autodialed autodialer autodidact autoecious autoerotic autogamies autogamous autogeneal autogenies autogenous autognosis autographs autography autoheader autoimmune autojigger autokinesy autokrator autolavage autolesion autoloader autologist autologous autolysate autolyzate autolyzing automanual automatics automation automatism automatist automative automatize automatons automatous autometric automobile automolite automotive autonetics autonoetic autonomasy autonomies autonomist autonomize autonomous autopathic autopepsia autophagia autophobia autophytic autopilots autoplasty autopotent autopsical autopsying autoptical autorotate autosauria autoscopic autosender autosexing autosporic autostoper autostrada autostylic autotelism autotheism autotheist autothermy autotomies autotomise autotomize autotomous autotrophy autotropic autotypies autoxidize autumnally auxamylase auxanogram auxanology auxiliarly auxiliator auxoaction auxocardia auxochrome auxotrophy
11-letter words (158)
aubergistes auctioneers auctorizate audaciously audibleness audiologies audiologist audiometers audiometric audiophiles audiotypist audiovisual auditioning auditoriums auditorship auditotoria augitophyre augmentable augmentedly augustinian augustinism aulacomnium aureateness auribromide aurichalcum auriculares auricularia auricularis auricularly auriculated auriculidae auricyanide aurignacian auriphrygia auripigment auriscalpia aurobromide aurocyanide aurodiamine auscultated auscultates auscultator ausgespielt auspicating austafrican austenitize austereness austerities australians australioid austrianize austrogaean austromancy austrophile autaesthesy autantitypy autarchical auteciously autecologic authentical authenticly authigenous authorcraft authoresses authorially authorising authorities authorizers authorizing autoaddress autobasidia autobasisii autobiology autoboating autocamping autocarpian autocarpous autocephaly autoceptive autochanger autochthons autochthony autocinesis autoclastic autoclaving autocoherer autocracies autocratrix autodialers autodialing autodialled autodidacts autodynamic autoerotism autogeneses autogenesis autogenetic autogenuous autognostic autographal autographed autographer autographic autogravure autokinesis autokinetic autoloaders autoloading autological automatable automatical automatized automatizes automatonta automobiled automobiles automorphic autonomical autopelagic autophagous autophonous autoplastic autopoloist autopotamic autopsychic autopticity autorrhaphy autoscience autosomally autosoteric autostarter autostradas autostylism autosuggest autosymnoia autotheater autotherapy autotomised autotomized autotoxemia autotractor autotrophic autotropism autoturning autovaccine autoxidator autoxidizer auxanometer auxetically auxiliaries auxiliation auxiliatory auxinically auxoamylase auxochromic auxographic auxohormone auxotrophic
12-letter words (102)
audiological audiologists audiometries audiometrist audiovisuals auditorially audubonistic augmentation augmentative aulostomidae aummbulatory aurantiaceae aurichalcite aurichloride auriculariae auricularian auricularias auriculately aurification auripuncture auriscalpium aurochloride auscultating auscultation auscultative auscultatory auspiciously austenitized australasian austronesian autarkically autechoscope autecologist authenticate authenticity authigenetic authorisable authorizable autoabstract autoallogamy autoanalysis autoanalytic autoantibody autobasidium autocatalyze autocephalia autocephalic autochemical autochthonal autochthones autochthonic autocratical autocratoric autocratship autodetector autodialling autodidactic autodrainage autoeciously autoepigraph autofrettage autogenously autografting autographing autographism autographist autohypnosis autohypnotic autoignition autoimmunity autoimmunize autoindexing autoinfusion autolimnetic automaticity automatizing automobiling automobilism automobilist automobility automorphism autonegation autonomously autoplasties autoportrait autopositive autoptically autorhythmic autorhythmus autorotation autoskeleton autosoterism autosymbolic autosyndesis autotomising autotomizing autotoxaemia autotoxicity autotriploid autoxidation auxochromism auxochromous
13-letter words (98)
audaciousness audioemission augmentations aulacocarpous aurantiaceous aureocasidium auriphrygiate aurotellurite auscultascope auscultations auscultoscope austenitizing australianism australianize austroasiatic austrophilism autarchically auteciousness autecological authentically authenticated authenticates authenticator authenticness authorisation authoritarian authoritative authorization autoantitoxin autobiography autocatalepsy autocatalyses autocatalysis autocatalytic autocatharsis autocephality autocephalous autochthonism autochthonous autocoenobium autocollimate autocomplexes autoconverter autocorrelate autocorrosion autocremation autocriticism autocytolysis autocytolytic autodecrement autodiagnosis autodiffusion autodigestion autodigestive autoecholalia autoeducation autoeducative autoelevation autoepilation autoeroticism autoformation autographical autohemolysin autohemolysis autohemolytic autoheterosis autohexaploid autohypnotism autoimmunized autoincrement autoinduction autoinductive autoinfection autoinhibited automatically automatograph automatonlike automatontons automechanism automobilists autonavigator autonomically autooxidation autopneumatic autopoisonous autopolyploid autoprothesis autopsychosis autoradiogram autoreduction autoschediasm autoschediaze autostability autotelegraph autotoxicosis autotriploidy autoxidizable auxosubstance
14-letter words (86)
augmentationer augmentatively augustinianism aulacomniaceae aulostomatidae auriculariales auricyanhydric auriscopically auspiciousness austroriparian autarchoglossa authenticating authentication authenticators authenticities authoritarians authorizations autoactivation autoagglutinin autoalkylation autoallogamous autoaspiration autobiographal autobiographer autobiographic autocollimator autocombustion autoconduction autoconvection autocratically autocratorical autodecrements autodiagnostic autoeciousness autoelectronic autoerotically autoexcitation autohemorrhage autoheterodyne autoimmunities autoimmunizing autoincrements autoinoculable autointoxicant autoionization autoirrigation autojuggernaut autolithograph automatization automechanical automobilistic automysophobia autonavigators autoneurotoxin autonomousness autoparasitism autophonoscope autophotograph autophotometry autophyllogeny autophytically autophytograph autoplagiarism autopolyploidy autopsychology autopyotherapy autoradiograph autoreflection autoregressive autoregulation autoregulative autoregulatory autoreinfusion autorotational autosensitized autosepticemia autosuggestion autosuggestive autosymbiontic autosymbolical autotetraploid autotoxication autotransplant autotropically autotuberculin autotypography
15-letter words (60)
audiometrically auldfarrantlike auriculariaceae auriculocranial autecologically authenticalness authenticatable authentications authoritatively autobiographers autobiographies autobiographist autocatheterism autochronograph autochthonously autocollimation autocollimators autocombustible autocorrelation autocystoplasty autodecremented autodestruction autofecundation autogenetically autographically autographometer autohemotherapy autoincremented autoinoculation autolithography autoluminescent automonstration automorphically autonephrectomy autonephrotoxin autonitridation autopathography autophytography autoplastically autoportraiture autoprogressive autoproteolysis autoradiography autoregenerator autoretardation autoschediastic autoserotherapy autostethoscope autosuggestible autosuggestions autosuppression autotetraploidy autotherapeutic autotransformer autotransfusion autotrepanation autotrophically autotyphization autovaccination autovivisection
Frequently asked questions
How many words that start with AU are there?
Our word list contains 1,310 words that start with AU, out of 382,657 entries in total. They run from 3 to 15 letters, and the 9-letter group is the largest with 197 words.
What are the longest words that start with AU?
The longest are audiometrically (15 letters), auldfarrantlike (15 letters) and auriculariaceae (15 letters).
Which words that start with AU score highest in Scrabble?
By raw letter values, the top scorers on this page are autophytography (32 points), autotyphization (32 points) and autoxidizable (32 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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