Dictionary Only:
Profanity Off:

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

 (In Any Order)
There are 106 18 letter words, 173 18 letter phrases and 0 18 letter abbr's with I,O,O,S,T,T in.

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

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 (106)
telecommunicationsdisproportionatelygastroenterologisttransmogrificationspectrophotometricoverrepresentationpaleoclimatologisttrichloroethylenestransistorizationstransformationallythrombophlebitidestachistoscopicallysubcategorizationsstoichiometricallystereophotographicspectrofluorimetersemidomesticationsrenationalizationsrehospitalizationsreconstructionistsreconstructionismsquattuordecillionspsychopathologistspostpsychoanalyticpolyesterificationphotosyntheticallyphotosensitizationphotosensitivitiesphotoreproductionsphotoreactivationsphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphotodecompositionoverprotectivenessoveroptimisticallyoverfertilizationsoverextrapolationsoverconcentrationsostentatiousnessesorthopsychiatristsorthogonalizationsnoninterventionistnonfraternizationsnoncooperationistsnoncommutativitiesnonanthropologistsmonochromaticitiesmicrometeorologistmicrodensitometricmicrodensitometersmelodramatizationslepidopterologistsintrospectionisticintercolumniationsimmunopathologistsimmunohematologisthyposensitizationshydrometeorologisthomoscedasticitiesglottochronologiesgastroenterologiesfractionalizationsevapotranspirationethnomusicologistsethnomethodologistethnomethodologieselectroretinogramselectrodesiccationelectrodepositionsdisproportionationdisproportionatingdenationalizationsdemythologizationsdeconstructionistscountersuggestionscounterrevolutionscounterquestioningcounterinstitutioncounterconventionscounteradaptationscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalizedconstitutionalistsconstitutionalismscongregationalistsconceptualizationscholecystectomizedbloodthirstinessesbiotransformationsbiocompatibilitiesastrophotographiesunconstitutionallyterritorialisationovercapitalisationnonprognosticativehistocompatibilitycytoarchitectonicscross-fertilizationcross-fertilisationcorrosion-resistant
Phrases (173)
woodwind instrumentwashington monumenttomistoma schlegelithird epistle of johnthird epistel of johntheodosius the greattendonous synovitistelevision reportersolidago spathulataposterior pituitarypolish monetary unitpolianthes tuberosapiano transcriptionphysiological statep-type semiconductororthotomus sutoriusoenothera fruticosaneuropterous insectnarcotic antagonistmethotrexate sodiumhypostasis of christhypertonic solutionhistorical documentheat of vaporisationgustatory sensationfricative consonantfirst epistle of johnfederation of tribesessential conditiondmitri shostakovichdivision anthophytadistributor housingconstruction workercapital of minnesotabook of lamentationsbook of instructionsblood extravasationastronomy satelliteartistic productionagropyron cristatumwebbing clothes mothvena stylomastoideatropical rain foresttrogium pulsatoriumtrisodium phosphatetime deposit accounttime-and-motion studythujopsis dolobratathreshold operationthomas stearns eliotthirst for knowledgethermobia domesticatheory of indicatorstelephone extensiontaraktogenos kurziisystem of numerationsymplocus tinctoriasweet-potato ring rotsuborder odontocetistereophonic systemstellar associationsteganopus tricolorstations of the crossstarvation acidosisst. ignatius of loyolaspotsylvania countysouth celestial polesodium thiosulphatesmoking compartmentsignal-to-noise ratiosemi-sweet chocolatesecondary dentitionrobotic telesurgeryrhetorical questionred river of the southpsychological statepsocopterous insectpresident rooseveltpower-station workerpotato scab bacteriapotassium carbonatepotamogeton crispuspositive chemotaxispositional notationportal hypertensionponcirus trifoliatapomatomus saltatrixpoephila castanotispinnotheres ostreumpetroleum geologistoxytropis lambertiiorthopterous insectorder synentognathiolfactory sensationobservation stationnorth celestial polenormal distributionnonvolatile storagenon-volatile storagenewtonian telescopenewton's law of motionnervous prostrationn-type semiconductormyositis trichinosamountain spleenwortmother-in-law's tonguemagneto-optical disclactose intolerancekingdom protoctistajunction transistorjoint chiefs of staffjatropha stimulosusionization constantinternal combustionhypo-eutectoid steelheterotheca villosaheat of dissociationheat of condensationguilt by associationgianbattista bodonigiambattista bodonigeostationary orbitgastrocolic omentumforward transactionfirst baron tennysonfast of the firstbornfamily catostomidaeestrogen antagonistesther hobart morrisepistle to the romanselectric toothbrushdoctor of humanitiesdistrict of columbiadicamptodon ensatusdesmodium tortuosumdental orthopaedicsde facto segregationcystopteris montanacystophora cristatacutaneous sensationcourt of saint james'scotoneaster dammericorticospinal tractcoreopsis tinctoriacontract of adhesioncontagious abortionconjugal visitationconflict of interestcomputer simulationcompetitor analysiscompatible softwarecommunist manifestocoluber constrictorchoriotis australischolesterosis cutischinese forget-me-notceratostomella ulmicecil scott forestercapital of costa ricabroadcasting studiobrevoortia tyrannisbottle-nosed dolphinbartolomeo eustachiball-and-socket jointautomobile industryassistant professorasian tiger mosquitoarmy of the righteousanointing of the sickaffricate consonantacoustic projectionacoustic absorptionabsorption 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