There are 1,668 words with the prefix TRI in our word list of 359,039 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 (307 of them); the spread is 9 of them 4 letters long, 32 of them 5 letters long, 79 of them 6 letters long, 160 of them 7 letters long, and more up to 15 letters. The longest entries are triacontaeterid, tribromoethanol and trichlormethane. 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 prefix TRI- means three (triangle, tricycle, triplets) — three examples from this page: triable, triac, triace.
The full list
4-letter words (9)
trib trid trig trim trin trio trip trit trix
5-letter words (32)
triac triad trial trias tribe trica trice trick tried trier tries trifa triga trigo trigs trike trill trims trina trine trink triol trior trios tripe tripl trips tript tripy trist trite trixy
6-letter words (79)
triace triact triads triage trials triary triazo tribal tribes tricae tricar triced trices trichi trichy tricia tricks tricky tricon tricot tridii tridra triduo triene triens triers trifid trifle trifly trigae trigla trigly trigon trigos trigyn trijet triker trikir trilby trilit trilli trillo trills trimer trimly trinal trined trines tringa trinil trinol triode triole triols triops triose tripal tripel tripes tripla triple triply tripod tripos tripot trisha triste trisul triter triton tritor trityl triumf triune trivat trivet trivia triwet trixie
7-letter words (160)
triable triacid triadic triaene triages triakid triamid triamin trianon triarch triarii triaryl triatic triaxal triaxon triazin tribade tribady tribase tribble triblet tribrac tribual tribuna tribune tribute triceps trichia tricing tricked tricker trickie trickle trickly tricksy triclad tricorn tricots trident triduam triduan triduum triedly trienes trifled trifler trifles triflet trifoil trifold trifoly triform trigamy trigged trigger triglid triglot trigona trigone trigons trigram trijets trikaya triketo trilabe trilisa trilite trilith trilium trilled triller trillet trillil trilobe trilogy trimera trimers trimmed trimmer trinary trindle trinely tringle trining trinity trinket trinkle trinkum trinode trintle triobol triodes triodia triodon trioecs triolet trional triones trionfi trionfo trionym trionyx trioses trioxid tripack tripara tripart tripery tripled tripler triples triplet triplex triplum tripods tripody tripoli tripped tripper trippet tripple tripsis triquet trireme trisalt trisazo trisect triseme trishaw trishna trismic trismus trisome trisomy tristam tristan trisula trisulc tritaph tritely tritest tritish tritium tritolo tritoma tritone tritons triture triumph triunal triunes triurid triuris trivant trivets trivial trivium trivvet trizoic trizone
8-letter words (234)
triacids triadics triadism triadist trialate trialism trialist triality triamide triamine triamino triander triangle triapsal triarchy triareal triarian triassic triaster triatoma triaxial triazane triazine triazins triazoic triazole tribades tribadic tribally tribasic tribelet tribrach tribular tribulus tribunal tribunes tributed tributer tributes triceria trichina trichion trichite trichode trichoid trichoma trichome trichord trickers trickery trickful trickier trickily tricking trickish trickled trickles tricklet triclads tricolic tricolon tricolor triconch tricorne tricorns tricosyl tricotee tricouni trictrac tricycle tridacna tridaily triddler tridecyl tridents triduums triennia triental trientes triequal triethyl trifecta trifilar triflers trifling trifocal triforia trifuran triggers triggest trigging triglyph trigness trigonal trigonia trigonic trigonid trigonon trigonum trigrams trigraph trigynia trihalid trihedra trihoral trikeria trilbies trilemma trillado trillers trilleto trilliin trilling trillion trillium trilloes trilobal trilobed trilogic trimacer trimaran trimeric trimesic trimesyl trimeter trimmers trimmest trimming trimness trimodal trimoric trimorph trimotor trimtram trimurti trindled trindles trinerve tringine tringoid trinidad trinitro trinkets trinkety trinklet trinkums trinodal trinomen triodion trioecia trioleic triolein triolets triology trioxide trioxids tripacks tripedal tripeman tripenny triphane triphase triphony triphora triplane triplets triplice tripling triplite triploid triplopy tripodal tripodic tripolar tripolis triposes tripoter trippant trippers trippets tripping trippist trippler tripsill tripsome triptane triptote triptyca triptych tripudia tripwire triradii triratna triremes triscele trisects trisemes trisemic trisetum triskele trisomes trisomic trispast tristate tristeza tristful tristich tristive tristram tristyly trithing tritiate tritical triticin triticum tritiums tritomas tritonal tritones tritonia tritonic tritoral tritural triturus triumphs triumvir triunion triunity trivalve trivette trivirga trizomal trizonal trizonia
9-letter words (307)
triactine triadenum triadical triadisms triaenose triagonal trialogue triamorph triandria triangled triangler triangles triangula triannual triarctic triatomic triazines triazoles triazolic tribadism tribalism tribalist tribarred tribeless tribelike tribeship tribesman tribesmen tribolium tribology tribonema tribrachs tribromid tribually tribulate tribuloid tribunals tribunary tribunate tributary tributing tributist tricalcic tricarbon tricaudal tricenary tricephal tricepses tricerion tricerium trichilia trichinae trichinal trichinas trichions trichites trichitic trichitis trichloro trichogen trichomes trichomic trichosis trichroic trichrome trichuris tricinium trickiest trickless tricklier tricklike trickling trickment tricksier tricksily tricksome trickster triclinia triclinic tricolors tricolour tricornes tricosane tricotine tricresol tricrotic tricrural trictracs tricuspal tricuspid tricycled tricycler tricycles tricyclic tricyrtis tridactyl tridecane tridecene tridecoic tridental tridermic tridrachm tridymite triecious triedness trieennia triennial triennias triennium trierarch trierucin trieteric trifacial triferous trifledom triflings trifloral trifocals trifolium triforial triforium triformed triformin trifornia trifurcal trigamist trigamous trigatron trigemini triggered trigintal triglidae triglyphs trigonite trigonoid trigonous trigraphs trigynian trigynous trihalide trihedral trihedron trihourly trihybrid trihydric trihydrol trijugate trijugous trikerion triketone trilaurin trilinear trilithic trilithon trillando trilletto trillibub trillions trilliums trilobate trilobita trilobite trilogies trilogist trimarans trimellic trimeride trimerite trimerous trimester trimeters trimethyl trimetric trimmings trimorphs trimotors trimstone trinality trinalize trination trinchera trindling trinerved trineural trinidado trinities trinitrid trinitrin trinketed trinketer trinketry trinodine trinomial trinovant trinunity triobolon trioctile triocular trioecism trioicous triolcous trioleate triolefin trionymal triopidae triorchis triosteum trioxides triozonid triparted tripelike triperies tripeshop tripewife triphaser triphasia triphasic triphenyl tripitaka triplanes triplaris triplasic triplegia triplexes triplites triploids triploidy triplopia tripmadam tripodial tripodian tripodies tripoline tripolite tripotage trippings tripsacum triptanes triptycas triptychs triptyque tripudial tripudist tripudium tripylaea tripylean triquetra triradial triradius triregnum trisagion trisceles trisected trisector triserial trisetose trisilane triskeles triskelia trismuses trisodium trisomics trisomies trisonant trisporic trisquare tristania tristesse tristezas tristichs trisulfid tritactic tritanope triteleia triteness tritheism tritheist tritheite trithings tritiated triticale triticeum triticism triticoid triticums tritocone tritomite tritoness tritonoid tritonous tritopine tritorium tritoxide triturate triturium triumphal triumphed triumpher triumviri triumvirs triumviry trivalent trivalves trivantly triverbal trivially triweekly
10-letter words (278)
triacetate triacontad triaconter triactinal triamylose triandrian triandrous triangular triangulid triangulum trianthous triapsidal triarchate triarchies triarthrus triaxonian tribasilar tribesfolk triblastic tribometer triborough tribrachic tribromide tributable tributyrin tricalcium tricarpous tricaudate tricennial tricentral trichauxis trichechus trichevron trichiasis trichinise trichinize trichinoid trichinous trichiurid trichiurus trichlorid trichocyst trichogyne trichology tricholoma trichoplax trichopore trichopter trichotomy trichroism trichromat trichromic tricipital trickeries trickiness trickingly trickishly trickliest trickproof tricksical tricksiest tricksters tricktrack tricladida triclinate triclinial triclinium tricoccose tricoccous tricolette tricolored triconodon tricornute tricostate tricosylic tricrotism tricrotous tricurvate tricussate tricyanide tricyclene tricycling tricyclist tridecylic tridentate tridentine tridepside tridiurnal trielaidin trienniums trientalis trierarchy trieterics trifanious trifarious triflingly triflorate triflorous trifoliate triformity triformous trifurcate trigeminal trigeminus trigeneric trigesimal triggering triggerman triglochid triglochin triglyphal triglyphed triglyphic trignesses trigonally trigonella trigonitis trigrammic trigraphic trihedrons trihemeral trihemimer trihydrate trihydride trihydroxy trilabiate trilaminar trilateral trilineate trilingual trilinguar triliteral trillachan trillionth trilobated trilobitic trilocular trilogical triluminar trimacular trimembral trimensual trimesinic trimesitic trimesters trimestral trimethoxy trimmingly trimnesses trimonthly trimorphic trimotored trimscript trinacrian trinervate trinitrate trinitride trinkerman trinkermen trinketing trinoctial trinoctile trinocular trinucleus triodontes trioecious triolefine trionychid triorchism triovulate trioxazine triozonide tripartite tripaschal tripennate tripeptide tripestone tripewoman triphammer triphibian triphthong triphyline triphylite triphysite tripinnate triplasian tripleback triplefold tripleness tripletail tripletree triplewise triplexity triplicate triplicist triplicity tripliform triploidic triplumbic tripodical tripointed tripolitan trippingly tripsomely tripterous tripudiant tripudiary tripudiate tripunctal tripylaean triquetral triquetric triquetrum triquinate triquinoyl triradiate trisecting trisection trisectrix trisensory triseptate triseriate trisilicic trisinuate triskelion trismegist trispaston trispinose trisporous tristearin tristeness tristfully tristichic tristylous trisulcate trisulfate trisulfide trisulfone trisulphid trisylabic tritangent tritanopia tritanopic triternate triterpene trithionic trithrinax tritically triticeous tritoconid tritonidae tritonymph tritozooid trittichan triturable triturated triturates triturator tritylodon triumfetta triumphant triumphing triumviral triungulin triunities trivalence trivalency trivalerin trivariant triverbial trivetwise trivialise trivialism trivialist triviality trivialize trivirgate trivoltine
11-letter words (216)
triableness triachenium triacontane triadically triammonium triangulate trianguloid triannulate triantelope triarcuated triaxiality tribadistic tribasicity tribeswoman tribeswomen tribologist tribrachial tribulation tribuneship tribunicial tribunician tribunitial tribunitian tribunitive tributaries tributarily tributorian tricapsular tricarinate tricellular tricenaries tricenarium tricephalic tricephalus triceratops trichechine trichinella trichinised trichinized trichinosed trichinoses trichinosis trichinotic trichiuroid trichlorfon trichloride trichoblast trichoderma trichogynic tricholaena trichomanes trichomonad trichomonal trichomonas trichonosis trichonosus trichonotid trichopathy trichophore trichophyte trichoptera trichorrhea trichostema trichotomic trichromate trichronous tricircular tricklingly tricksiness trickstress triclclinia tricliniary tricolumnar tricompound triconodont tricornered tricorporal tricosanone tricuspidal tridacnidae tridecylene tridentated tridentlike tridiagonal tridiapason tridigitate tridominium tridynamous trieciously triennially trierarchal trierarchic trifluoride trifluralin trifoliated trifoliosis trifurcated trigeminous triggerfish triggerless triglyceryl trigonellin trigoneutic trigoniidae trigonodont trigonotype trihemiobol trihydrated trijunction trilamellar trilaminate trilineated trilinolate trilliaceae trillionize trillionths trilobation triloculate trilophodon triluminous trimaculate trimargarin trimellitic trimercuric trimestrial trimetalism trimetallic trimetrical trimetrogon trimodality trimorphism trimorphous trimscripts trimuscular trimyristin trinational trinidadian trinitarian trinityhood trinitytide trinketries trinklement trinobantes trinomially trinopticon trinorantum trinovantes trinucleate triodontoid trionychoid tripalmitin tripartedly tripartible tripartient tripemonger tripersonal tripetaloid tripetalous triphibious triphyletic triphyllous tripinnated triplicated triplicates triploidite tripunctate tripylarian tripyrenous triquetrous triradially triradiated triradiuses trisceptral trisections trisepalous triserially triseriatim trisilicane trisilicate trisinuated trisotropis trispermous tristearate tristichous tristiloquy tristimulus trisulcated trisulfoxid trisulphate trisulphide trisulphone trisyllabic trisyllable tritagonist tritanopsia tritanoptic tritemorion tritheistic trithionate triticality tritogeneia tritonality triturating trituration triturators triturature triumphance triumphancy triumphator triumphwise triumvirate triuridales trivalvular trivialised trivialness triweeklies
12-letter words (165)
triacetamide triadelphous triamorphous triangleways trianglewise trianglework triangularis triangularly triangulated triangulates triangulator triatomicity tribespeople tribological tribophysics tribracteate tribulations tribunitiary tricarbimide tricarinated tricenarious tricentenary tricephalous trichechidae trichiniasis trichinising trichinizing trichinopoli trichinopoly trichiuridae trichobezoar trichoclasia trichoclasis trichocystic trichogenous trichogramma trichogynial trichologist trichomatose trichomatous trichopathic trichophobia trichophoric trichophytia trichophytic trichophyton trichopteran trichopteron trichosporum trichostasis trichotomies trichotomism trichotomist trichotomize trichotomous trichromatic trichuriases trichuriasis trickishness trickstering tricliniarch triconodonta triconodonty tricophorous tricorporate tricoryphean tricuspidate tridactylous tridentinian tridiametral trienniality trierarchies trifasciated trifistulary triflingness trifluouride trifoliolate trifoveolate trifurcating trifurcation triglandular triglyceride triglyphical trigonelline trigoneutism trigoniaceae trigoniacean trigonometer trigonometry trigrammatic triguttulate trihemimeral trihemimeris trilarcenous trilaterally trilingually trilinoleate trilinolenin triliterally trilliaceous trillionaire trilophodont trimaculated trimargarate trimastigate trimeresurus trimesitinic trimetallism trimethylene trimolecular trimyristate trinitarians trinitration trinomialism trinomialist trinomiality triodontidae trioeciously trionychidae tripaleolate tripalmitate tripartitely tripartition triphosphate triphthongal tripinnately triplicately triplicating triplication triplicative triplicature triplicities triplinerved tripotassium trippingness tripudiation triradiately triradiation trismegistic tristachyous tristfulness tristigmatic tristisonous trisulfoxide trisulphonic trisulphoxid trisyllabism trisyllabity triternately triterpenoid tritheocracy trithionates triticalness tritonymphal tritopatores trituberculy triumphantly triumvirates triumvirship triunitarian triuridaceae trivialising trivialities trivializing triweekliess
13-letter words (90)
triamcinolone triangularity triangulately triangulating triangulation triarticulate triatomically tribesmanship triboelectric tribonemaceae tribromacetic tribromphenol tributariness tricarboxylic tricarpellary tricarpellate tricentennial triceratopses trichatrophia trichechodont trichinoscope trichinoscopy trichocarpous trichodesmium trichoglossia trichological trichomaphyte trichomatosis trichomonadal trichomycosis trichopterous trichorrhexic trichorrhexis trichosanthes trichoschisis trichothallic trichromatism trichromatist triconodontid tricuspidated triethylamine triflagellate triggerfishes trigintennial triglycerides trigoniaceous trigonocerous trigonometria trigonometric trigrammatism trihypostatic trilamellated trilaterality trilateration trilingualism trilinolenate triliteralism triliterality trimerization trimethadione trimucronatus trinitroxylol trinucleotide triodontoidea triodontoidei trioperculate triorthogonal tripersonally triphenylated tripinnatifid triplications triplicostate triploblastic triplocaulous triquadrantal triquetrously trirhomboidal triricinolein trisaccharide trisaccharose trisplanchnic tristichaceae tristigmatose trisulphoxide trisyllabical tritangential tritheistical tritocerebral tritocerebrum tritubercular
14-letter words (64)
triacetonamine triangulations triantaphyllos tribracteolate tribromophenol tribromphenate tricarballylic tricentenarian tricentennials trichiniferous trichinisation trichinization trichinophobia trichobacteria trichobranchia trichocephalus trichodontidae trichoglossine trichomonacide trichomoniasis trichophyllous trichophytosis trichopterygid trichoschistic trichosporange trichotomously triclinohedric triconodontoid triconsonantal tridecilateral tridentiferous tridimensional tridimensioned trigonocephaly trigonometries trihemiobolion triiodomethane trilateralness triliteralness trimethylamine trinitarianism trinitrocresol trinitrophenol trinitrotoluol trinitroxylene trionychoidean tripelennamine tripersonalism tripersonalist tripersonality triphenylamine tripinnatisect trirectangular trisoctahedral trisoctahedron trisubstituted tritencephalon tritriacontane trituberculata trituberculism triunification triunsaturated trivialisation trivialization
15-letter words (34)
triacontaeterid tribromoethanol trichlormethane trichloroacetic trichloroethane trichloromethyl trichoglossidae trichoglossinae trichomonacidal trichomonadidae trichoschistism trichostrongyle trichromatopsia tricotyledonous triethanolamine triethylstibine trifluoperazine trigonocephalic trigonocephalus trigonometrical trimethylacetic trinitroaniline trinitrobenzene trinitromethane trinitrotoluene triodontophorus trioxymethylene triphenylmethyl trirhombohedral tristetrahedron trisubstitution trisyllabically trithioaldehyde trithiocarbonic
Frequently asked questions
How many words with the prefix TRI are there?
Our word list contains 1,668 words with the prefix TRI, out of 359,039 entries in total. They run from 4 to 15 letters, and the 9-letter group is the largest with 307 words.
What are the longest words with the prefix TRI?
The longest are triacontaeterid (15 letters), tribromoethanol (15 letters) and trichlormethane (15 letters).
Which words with the prefix TRI score highest in Scrabble?
By raw letter values, the top scorers on this page are trioxymethylene (33 points), triphenylmethyl (31 points) and trichorrhexic (30 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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