20-Letter Words Containing: O,T,S,I
(In Any Order)
There are 113 20 letter words,
670 20 letter phrases and
0 20 letter abbr's with
O,T,S,I in.
Best Scoring 20 Letter Words With: O,T,S,I
| Expand? | Word | Save? | Length | Usage | Points | Type | |
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 20. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 20 Letter Words
Words (113)
overenthusiasticallyinstitutionalizationhypercholesterolemiaunsatisfactorinessesunderrepresentationsultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssyncategorematicallysuperspecializationsspectrophotometricalspectroheliographiesspectrofluorometriesrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalspsychopharmacologistpsychopathologicallypseudosophisticationpseudocholinesteraseprofessionalizationsplethysmographicallyphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphosphofructokinasesphosphatidylcholinesphiloprogenitivenessphenylthiocarbamidespaleoanthropologistsoverprotectivenessesoverintellectualizesoverdifferentiationsnondestructivenessesnondenominationalismneuropsychiatricallyneuropharmacologistsneuroendocrinologistmischaracterizationsmicropaleontologistsmicroelectrophoresismicroelectrophoresesmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosiskeratoconjunctivitesinterstratificationsinterconnectednessesintellectualizationsinconsequentialitiesincommensurabilitiesimmunoprecipitationshyperparathyroidismshypercoagulabilitieshypercholesterolemichydrochlorothiazideshomotransplantationshistocompatibilitiesglomerulonephritidesencephalomyocarditiselectrophysiologistselectrophysiologicalelectrophotographieselectrooculographieselectroluminescencesdimethylnitrosaminesdepartmentalizationsdeoxyribonucleotidesdeinstitutionalizingdeindustrializationsdehydrochlorinationscytodifferentiationscrystallographicallycountersurveillancescountermobilizationscounterintelligencescounterdemonstratingcounterconditioningsconventionalizationscontradistinguishingbacteriochlorophyllsantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidacetylcholinesterasesemiautobiographicalpseudohermaphroditicoophorosalpingectomynoninstitutionalizednoninstitutionalisedmagnetohydrodynamicslipochondrodystrophykeratoconjunctivitisinternationalisationincontrovertiblenessimmunohistochemistryhyperadrenocorticismhistoincompatibilityheterobasidiomycetesdestructive-metaboliccounterrevolutionistcounterdemonstrationcounter-revolutionistcompartmentalisationPhrases (670)
yellow-shafted flickerwoodrow wilson guthriewilliam stanley jevonswilliam hyde wollastonvirgil garnett thomsonvaricella zoster virusuniversity of nebraskatwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemthousand and one nightsthomas lanier williamstelopea speciosissimasuborder strepsirhinistephen collins fostersouthern united statessouth american countrysolidago multiradiatasoftware optimizationsocial justice warriorsir charles wheatstonesingle-valued functionsimple harmonic motionsignature recognitionsense of right and wrongselective informationsedative-hypnotic drugsecond lateran councilsecond coming of christschool superintendentsaint peter the apostlerobert william servicerobert louis stevensonresurrection of christresident commissionerrequirements contractrepublic of kazakhstanreconstruction periodracial discriminationpsychological featurepseudotsuga menziesiiprumnopitys taxifoliaprofessional relationprescription medicineplatanus occidentalisplasminogen activatorphotographic emulsionpersonality inventorypersonal relationshippast progressive tensepass with flying colorsoryctolagus cuniculusorder myxobacterialesorder mycelia steriliaorder heterotrichalesorder actinomycetalesorder accipitriformesobstruction of justicenutritionist's calorienasturtium officinalemilton snavely hersheymilitary installationmetallographic samplemental representationmasticophis flagellummaster of architecturemarket capitalisationliving accommodationslinguistic competencelevisticum officinalelebanese monetary unitlateral epicondylitisklemens von metternichjudgement on the meritsjudgement of dismissaljean-baptiste poquelinjapanese monetary unitjames harold doolittleislamic calendar monthinstruction executionindirect transmissionhomolosine projectionhenri toulouse-lautrechans christian oerstedgross national productgleditsia triacanthosgeorges henri lemaitregenus ornithorhynchusgaultheria procumbensfundulus heteroclitusfriendly relationshipfrankenstein's monsterfederation of malaysiafather of the submarinefamily tachyglossidaefamily gasterosteidaeestonian monetary unitemotional disturbanceeicosapentaenoic aciddouble-reed instrumentdivision tracheophytadisplacement reactiondianthus caryophyllusdemonstrative pronoundegenerative disorderctenocephalides caniscross-florida waterwaycortinarius violaceuscontradiction in termsconservation of matterconsecutive operationconfession of judgmentcomparative anatomistcommunity of interestscommercial instrumentcommercial enterprisecomedogenic substanceclassification systemclass hemiascomyceteschristopher isherwoodchlamydia trachomatiscentropus phasianinuscase-to-infection ratiocarter administrationcarson smith mccullerscardinal compass pointcapital of switzerlandcapital of south dakotacapital of south africacapital of sierra leonecapital of saudi arabiacapital of rhode islandcapital of mississippicapital of afghanistanbusiness relationshipbusiness organizationbusiness organisationbroadcast programmingbritish pound sterlingbotswana monetary unitbotaurus lentiginosusbasidiomycetous fungibaron snow of leicesteraustrian monetary unitaustralian bonytongueatmospheric conditionartemisia californicaappendicular skeletonappalachian mountainsapostle of the gentilesamerican harvest mouseambystomid salamanderambrose gwinett bierceambloplites rupestrisalessandro cagliostroageratum houstonianumadenosine diphosphateacquisition agreementaboriginal australianabatement of a nuisanceyosemite national parkxeroderma pigmentosumxenorhyncus asiaticusxanthosoma atrovirensxanthoma disseminatumwyethia helianthoidesworld trade center siteworkmen's compensationword processing systemwoolsorter's pneumoniawolstonian glaciationwilliam felton russellwhite-throated sparrowwhite dog's-tooth violetwestern honey mesquitevoice in the wildernessvincetoxicum hirsutumvigdis finnbogadottirvestibule of the vaginavesicoureteral refluxvena supratrochlearisvena facialis anteriorvaccinium caespitosumustilaginoidea virensuniversity of michiganuniversal propositionuniversal product codeuniversal gas constantunited states congressunited states air forceunited church of christungradable oppositiontwelve tribes of israeltriostium perfoliatumtrichosurus vulpeculatrichomanes speciosumtrichomanes reniformetransversus abdoministransorbital lobotomytranscortical aphasiatrack-to-track seek timetrachinotus carolinustoy manchester terriertoxic industrial wastetonsilla pharyngealistolypeutes tricinctustobias george smollettthysanopterous insectthorstein bunde veblentheory of dissociationtheodore francis powysthelonious sphere monktemporal lobe epilepsytelevision-camera tubetelevision pickup tubetelevision newscastertaurotragus derbianustartarian honeysuckletamiasciurus douglasisysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussympathetic vibrationswietinia macrophyllasurvival of the fittestsupport vector machinesuperior rectus musclesuperior labial arterysuperfamily tineoideasudanese monetary unitsubornation of perjurysuborder heterostracisuborder anthropoideasubliminal perceptionsubfamily taxodiaceaesubclass zoomastiginasubclass telosporidiasubclass discomycetesstylophorum diphyllumstrawberry hemangiomasteatornis caripensisstatute of limitationsstatistical procedurestandard transmissionstaffordshire terrierst. gregory of nazianzenspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespecial-interest groupspecial duty allowancespartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolid-propellant motorsoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistslip-tongue log skiddersir joseph john thomsonsir harold walter krotosinusoidal projectionsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantsemiautomatic firearmsecretary of educationsecond vatican councilsecond epistle of peterseborrheic dermatitisscutigera coleoptratascouting organizationscleroderma aurantiumscintillation counterscintillating scotomaschizopetalon walkerischeduled territoriesscabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsanvitalia procumbenssanitation departmentsalvinia rotundifoliasalvelinus fontinalissalah al-din battalionssaint james the apostlesaint francis of assisirumohra adiantiformisrubus idaeus strigosusround-spored gyromitrarocky mountains cherryrobert charles venturirevolutions per minutereversing thermometerrespiratory infectionrespiratory alkalosisrequired reserve ratiorepublic of uzbekistanrepublic of tajikistanreligious orientationreconstructive memoryreagan administrationpyridoxine 5'-phosphatepyramidal motor systempurse-string operationpterocarpus marsupiumpsychic communicationproportional samplingprofit and loss accountprofessional footballprivate security forceprince-of-wales featherprimary solid solutionprice-to-earnings ratiopresident george w. bushpotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpositive magnetic poleporonotus triacanthuspopulus grandidentatapopulation commissionpolytechnic institutepolystichum setiferumpolystichum lonchitispolystichum aculeatumpolitical correctnesspodocarpus latifoliusplectrophenax nivalisplatte river penstemonpittsburgh of the southpiezoelectric crystalphysostigma venenosumphysiological anatomyphysical anthropologyphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multifloruspersonal line of creditperitonsillar abscesspercussion instrumentpenstemon whippleanuspenstemon linarioidespenicillin v potassiumparietomastoid suturepaper electrophoresispachyrhizus tuberosusortilis vetula macalliorthophosphorous acidorthopedic foot insoleorthogonal oppositionorder torpediniformesorder of saint benedictorder blastocladialesorder aristolochialesoperation desert stormoceanic whitetip sharkobtuse-angled triangleobject of a prepositionnurse-patient relationnuclear power industrynotropis atherinoidesnorthwest territoriesnorthern united statesnorth island edelweissnonviolent resistancenonrestrictive clausenonmalignant neoplasmnerve block anesthesianephrolepis pectinatanepalese monetary unitneoceratodus forsterinegotiable instrumentnecrotizing enteritisnarthecium ossifragumnaphthalene poisoningmyrmecobius fasciatusmyeloblastic leukemiamusical accompanimentmusculophrenic arterymumification necrosismountain standard timemountain lady's slippermortise-and-tenon jointmorphophonemic systemmorchella angusticepsmonofocal lens implantmonoblastic leukaemiamoment magnitude scalemolluscum contagiosummistletoe rubber plantmigratory grasshoppermicrosorium punctatummicropterus salmoidesmeriones unguiculatusmenyanthes trifoliatamelville weston fullermelilotus officinalismegaloblastic anaemiamasticophis lateralismarcus terentius varromanagement consultingmaidenhair spleenwortmagnesium bicarbonatemacrotus californicusmacronectes giganteusmacroclemys temminckilysichiton americanumluis de gongora y argotelowest common multiplelouis victor de broglielofortyx californicuslipoid granulomatosisligustrum ovalifoliumleptotyphlops humilisleonotis nepetaefolialecture demonstrationlasthenia chrysostomalabiodental consonantkosteletzya virginicaklinefelter's syndromekinetic theory of gasesketosis-prone diabetesjournalist's privilegejoseph warren stilwelljohn augustus roeblingjohn addington symondsisthmus of tehuantepecisovolumetric processisidor feinstein stoneintravenous pyelogramintravenous injectionintransitive verb forminternational affairsinhalation anestheticinhalation anesthesiainferior rectus muscleindustrial revolutionindustrial psychologyincentive stock optionimmediate constituenthyperkinetic syndromehylactophryne augustihydnocarpus wightianahyacinthus orientalishorizontal stabilizerhorizontal stabiliserhistiocytic leukaemiahimantopus himantopushexalectris warnockiiheterodyne oscillatorherschelian telescopehelleborus orientalishelladic civilisationhelianthus petiolarisheat of transformationheat of solidificationhare's-foot bristle fernhalicoeres bivittatusgypsophila paniculatagutierrezia sarothraeguernsey monetary unitgross domestic productgriselinia littoralisgreater peritoneal sacgraeco-roman wrestlinggooseneck loosestrifegolden-crested kingletglaucous bristlegrassgiovanni battista cibogeometric progressiongeoffroea decorticansgenus reithrodontomysgenus ptilonorhynchusgenus pithecanthropusgenus ctenocephalidesgenus corynebacteriumgenus argentinosaurusgenus aegyptopithecusgenus acanthoscelidesgaussian distributiongastrophryne olivaceagaleorhinus zyopterusfriedrich anton mesmerform genus rhizoctiniaforeign correspondentflindersia schottianaflat-topped white asterfirst council of nicaeafirst battle of bull runfirst baron rutherfordfinancial institutionfile transfer protocolfibrous-rooted begoniafeast of the dedicationfamily titanosauridaefamily strophariaceaefamily stercorariidaefamily psilophytaceaefamily phyllostomidaefamily peripatopsidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily belostomatidaefamily ambystomatidaefalse lily of the valleyeuropean house cricketeuproctis phaeorrhoeaeucalyptus paucifloraeucalyptus citriodoraeucalypt tereticornisestraterrestrial bodyeschrichtius robustuseschrichtius gibbosuserythronium dens-caniserythrina vespertilioerigonum fasciculatumeragrostic abyssinicaepipactis helleborineenvironmental scienceenteric-coated aspirinendamoeba histolyticaempiricist philosophyelizabeth cady stantonelectrostatic printerelectrostatic machineelectronic transistorelectronic instrumentedward douglas white jr.edith giovanna gassioneconomic mobilisationechinocactus grusoniidryopteris oreopterisdryopteris marginalisdramatic mezzo-sopranodoubly transitive verbdomestic silkworm mothdoctoral dissertationdivision pteridophytadivision euglenophytadivision dicynodontiadissociative disorderdissociation constantdisassortative matingdirect supporting firediplotaxis tenuifoliadicrostonyx hudsoniusdichloroethyl sulfidedesmanthus ilinoensisdemetrius poliorcetesdefensive attribitiondavid glasgow farragutdante gabriel rossettidaniel ortega saavedradangerous undertakingdalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscycladic civilisationctenocephalides feliscruciferous vegetablecrotalaria sagitalliscriminal conversationcrataegus biltmoreanacosmological constantcorydalis claviculatacortinarius mutabiliscorpuscular radiationcoronary heart diseasecoral-root bittercressconvergent strabismuscontinental breakfastconstructive evictionconstruction industryconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargeconduction anesthesiacompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecommencement exercisecolour television tubecolorimetric analysiscodariocalyx motoriusclostridium botulinumclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclinical psychologistclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrysophrys australischrosomal abnormalitychloroxylon swieteniachilomeniscus cinctuscharles dillon stengelcervical root syndromecertificate of depositcentrolobium robustumcentaurium scilloidescelastrus orbiculatuscarya myristiciformiscarolina spring beautycardiovascular systemcardiac resuscitationcalostoma cinnabarinacalochortus nuttalliicalculus of variationsbrush-tailed porcupinebrassaia actinophyllaboykinia occidentalisblastodermic vessiclebittersweet chocolatebiscayne national parkbinomial distributionbartolommeo eustachiobalaenoptera borealisbadlands national parkaversive conditioningaustronesian languageaustralian turtledoveaustralian labor partyaustralian coral snakeatlantic spiny dogfishastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiartery of the penis bulbarteria intercostalisartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusarctostaphylos alpinaarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationambrosia psilostachyaairborne transmissionafrican bowstring hempaffine transformation
