Dictionary Only:
Profanity Off:

18-Letter Words Containing: I,O,R,S,T,U

 (In Any Order)
There are 90 18 letter words, 374 18 letter phrases and 0 18 letter abbr's with I,O,R,S,T,U in.

Best Scoring 18 Letter Words With: I,O,R,S,T,U

Expand?WordSave?LengthUsagePointsType
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US!

All 18 Letter Words

Words (90)
transubstantiationverisimilitudinousunprofitablenessesuniformitarianismsultrasophisticatedultramicroscopicalultraconservativesultraconservatismstriboluminescencestransilluminationsthermoluminescencesupranationalitiessupersophisticatedsuperminicomputerssupercivilizationssuperadministratorsubcategorizationsstructuralizationsstereoregularitiesspectrofluorimeterribonucleoproteinsrevascularizationsreinstitutionalizeredistributionistsreconstructionistsreconstructionismsrambunctiousnessesquattuordecillionsquasiperiodicitiespseudotuberculosispronounceabilitiesphotoreproductionspertinaciousnessesparticularizationsoverindustrializesoverindustrializedovercommunicationsnonrevolutionariesnondestructivenessneurotransmissionsneuropsychologistsneuropsychiatristsneurophysiologistsmultifariousnessesmicroreproductionsmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmeretriciousnesseslumpenproletariatsinterinstitutionalintercolumniationsindustrializationsincorruptibilitiesincommensurabilityimmunosuppressantsimmunoreactivitiesimmunoprecipitateshyperimmunizationshydrometallurgistsgranulocytopoiesisgranulocytopoieseselectroluminescentdiscourteousnessesdeconstructionistscountersuggestionscounterstrategistscounterrevolutionscounterquestioningcounterinstitutioncounterculturalismcounterconventionscounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconstructivenessescommensurabilitiesclaustrophobicallybureaucratizationsbourgeoisificationaustralopithecinesunsatisfactorinessultranationalisticpsychotherapeuticsmuscivora-forficataglomerulonephritisfibrocartilaginousadenocarcinomatous
Phrases (374)
woodwind instrumentwisteria floribundaupton beall sinclairtheodosius the greatsyzygium aromaticumsyrian monetary unitsupervisory routinesuperiority complexsuborder anisopterasir arthur john evansshort hundredweightsexual reproductionsetophaga ruticillasecurity consultantreturn on investmentposterior pituitaryportuguese republicpopulus tremuloidespooecetes gramineuspolish monetary unitpolianthes tuberosap-type semiconductororthotomus sutoriusorder sauropterygiaorder ichthyosauriaorder eubacterialesoil-industry analystoenothera fruticosanewspaper columnistneuropterous insectmusculus temporalisminor tranquillisermethotrexate sodiummaster of literaturelouis-hector berliozlinguistic relationkeyboard instrumenthypertonic solutionhouses of parliamenthistorical documentherpestes ichneumongustatory sensationgreen mountain stategeorge westinghousegenus struthiomimusgenus recurvirostragenus dimorphothecafunctional disordereducation secretarydivision eubacteriadistributor housingdisreputable persondanish monetary unitcrotalus mitchelliiconstruction workerconstantin brancusicolumbia universitycause to be perceivedcapital of australiabush administrationbook of instructionsblue ridge mountainsbanana passion fruitauthoritarian stateartocarpus communisartistic productionarmoracia rusticanaantineoplastic druganisette de bordeauxamphibious aircraftamaranthus spinosusair-to-ground missileagropyron cristatumacoustic gramophoneaccounting standardzero-coupon securitywrit of habeas corpuswhite slime mushroomwestern mountain ashvolumetric analysisvespertilio murinusvena supraorbitalisvascular prosthesisupholstery materialuniversity of sussexuniversity of oxfordunited states dollarumbelliferous planttyrannus vociferanstussock caterpillartuberculoid leprosytrusteeship counciltrogium pulsatoriumtrisodium phosphatetrichostema lanatumtremella fuciformistransfiguration daytragelaphus buxtonitobacco mosaic virusthujopsis dolobratathomas gainsboroughtheodor seuss geiselthamnophis sauritusthamnophis proximustextual scholarshipteucrium scorodoniataraktogenos kurziitaraktagenos kurziisystema urogenitalesystema digestoriumsystem of numerationsymplocus tinctoriasurjective functionsupratrochlear veinsuperannuation fundsuborder tarsioideasuborder ruminantiasuborder odontocetisuborder lipotyphlasuborder lacertiliasuborder ceratopsiastructural genomicsstriped button quailstreptopelia turtursteganopus tricolorstanford universitysporobolus poiretiispirit of turpentinesouthern yellow pinesouthern white cedarsouthern maidenhairsouthern hemispheresouthern bog lemmingsonora semiannulatasodium hypochloritesmilax rotundifoliaslip friction clutchsilver quandong treeshort saphenous veinsexual relationshipserratula tinctoriaseminiferous tubulesemiconductor diodesecondary educationsecobarbital sodiumsaratoga spittlebugsample distributionround-tailed muskratrocky mountain sheeprobotic telesurgeryrobert bruce mathiasrhus toxicodenedronrhizopus stoloniferrhizomatous begoniarhetorical questionrevaluation reserverepulsorlift enginerepublic of the sudanrepublic of botswanareproductive systemreligious mysticismregression equationregistration numberreductio ad absurdumred river of the southreaction propulsionratibida columnarisquadriphonic systemquadraphonic systempyrrhuloxia sinuatapylodictus olivarispus-forming bacteriapublic relations manpublic presentationpterocarpus indicuspsocopterous insectprunus angustifoliaprumnopitys elegansprosecuting officerprionotus carolinusprehistoric culturepotassium hydroxidepotassium carbonatepotamogeton crispuspopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolice headquarterspneumogastric nerveplatanus orientalisplatanus acerifoliapinnotheres ostreumphragmites communispetroleum geologistpaul bustill robesonparochetus communispaprilus alepidotuspalestine authorityorthopterous insectornithopod dinosauroriental bush cherryorder ustilaginalesnormal distributionneurotic depressionnervous prostrationn-type semiconductormusculus teres minormusculus pectoralismusculus buccinatormultiple regressionmountain watercressmountain spleenwortmountain fetterbushmother-in-law's tonguemolecular biologistmichael stuart brownmarquis de condorcetmajor tranquillisermagnesium carbonatelutjanus blackfordilouis the quarrellerlong-distance runnerlivistona australislitocranius walleriligustrum japonicumleptopteris superbaleontocebus rosalialathyrus latifoliuslactarius deliciosokurdistan labor parykalashnikov culturejunction transistorjudicial separationjudgment in personamjessica lucy mitfordjerusalem artichokejatropha stimulosusjames butler hickockisopyrum biternatumintravenous feedinginternal combustionintermediate shroudinteragency supportinformation measureinductive reasoningin your birthday suitin one's birthday suithysterical neurosishypsiglena torquatahydropower industryholocentrus bullisihelleborus foetidushalicoeres radiatusgyromitra esculentagreenhouse whiteflygreat saphenous veingraduation exercisegovernment securityglorious revolutiongilles de la tourettegeothermal industrygenus zinjanthropusgenus trichoglossusgenus trichodesmiumgenus toxicodendrongenus strobilomycesgenus stephanomeriagenus rhinonicterisgenus pseudowinteragenus pleurothallisgenus mycobacteriumgenus lagerstroemiagenus ichthyosaurusgenus hyracotheriumgenus gomphotheriumgenus gasterophilusgenus dicranopterisgenus clethrionomysgenus chorizagrotisgenus chilomycterusgenus cercopithecusgenus ceratotheriumgenus centropristisgenus calamagrostisgenus agrobacteriumgenus actiniopterisgastrocolic omentumfuchsia excorticatafluorescent fixtureflorida smoothhoundfirst baron macaulayfavourable positioneuclid's fourth axiomeucalyptus coriaceaeuarctos americanuseptesicus serotinusepacris obtusifoliaendowment insuranceelectric toothbrusheastern fox squirreldouble-breasted suitdoctor of humanitiesdistrict of columbiadiscretionary trustdesmodium tortuosumdeep supporting firedeductive reasoningdaucus carota sativacytisus multifloruscross-country skiingcross-country ridingcrataegus apiifoliacourt of saint james'scorrosive sublimatecorporal punishmentcordyline australiscordia gerascanthuscontopus sordiduluscontinuing trespasscontagious abortionconstructive breachcomputer simulationcoluber constrictorcollective securityclematis ochreleucaclass holothuroideacitrus aurantifoliacitroncirus webbericirsium lanceolatumchrysolophus pictuschoriotis australischolesterosis cutisceratotherium simumceratostomella ulmicatherine i of russiabrush-tail porcupinebroadcasting studiobritish labour partyboy scouts of americabocconia frutescensblissus leucopterusbird-footed dinosaurbernese mountain dogbattle of austerlitzbartolomeo eustachibarometric pressureautomobile industryautoimmune disorderaustrotaxus spicataastroloma humifusumassociate in nursingasian tiger mosquitoarticulatory systemarteria communicansartemisia abrotanumarmy of the righteousaristolochia durioraristarchus of samosarisaema dracontiumarisaema atrorubensanticonvulsant drugangoumois grain mothanarchist communismaleurites moluccanaalan mathison turingaegilops triuncalisadmiralty mountainsacute brain disorderacoustic resistanceacoustic projectionacoustic absorptionaccounts receivableabsorption spectrum
WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen