20-Letter Words Containing: I,A,S,T
(In Any Order)
There are 103 20 letter words,
768 20 letter phrases and
0 20 letter abbr's with
I,A,S,T in.
Best Scoring 20 Letter Words With: I,A,S,T
| 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 (103)
uncharacteristicallyoverenthusiasticallyinstitutionalizationhypercholesterolemiaunsatisfactorinessesunrepresentativenessunderrepresentationsultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssyncategorematicallysuperspecializationsspectrophotometricalspectroheliographiesrepresentativenessesrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalspsychopharmacologistpsychopathologicallypseudosophisticationpseudocholinesteraseprofessionalizationsplethysmographicallyphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphosphofructokinasesphosphatidylcholinesphenylthiocarbamidespaleoanthropologistsoverintellectualizesoverdifferentiationsnondenominationalismneuropsychiatricallyneuropharmacologistsmischaracterizationsmicropaleontologistsmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosiskeratoconjunctivitesinterstratificationsinterchangeabilitiesintellectualizationsindiscriminatenessesinconsequentialitiesincommensurabilitiesinappreciativenessesimmunoprecipitationshyperparathyroidismshypercoagulabilitieshydrochlorothiazideshomotransplantationshistocompatibilitiesexistentialisticallyencephalomyocarditiselectrophysiologicalelectrophotographieselectrooculographiesdistinguishabilitiesdimethylnitrosaminesdepartmentalizationsdeinstitutionalizingdeindustrializationsdehydrochlorinationscytodifferentiationscrystallographicallycountersurveillancescountermobilizationscounterdemonstratingconventionalizationscontradistinguishingbacteriochlorophyllsantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidacetylcholinesterasesemiautobiographicalpseudohermaphroditicoophorosalpingectomynoninstitutionalizednoninstitutionalisedmagnetohydrodynamicskeratoconjunctivitisinternationalisationindistinguishabilityhyperadrenocorticismhistoincompatibilityheterobasidiomycetesdestructive-metaboliccounterdemonstrationcompartmentalisationantiestablishmentismPhrases (768)
yellow-shafted flickerwyethia amplexicauliswilliam stanley jevonswilliam hyde wollastonvirgil garnett thomsonvaricella zoster virusunsaturated fatty aciduniversity of nebraskatwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemthousand and one nightsthomas lanier williamstelopea speciosissimasweet-scented geraniumsuricata tetradactylasupplementary benefitsouthern united statessouth american countrysolidago multiradiatasoftware optimizationsocial justice warriorsir charles wheatstonesingle-valued functionsimple harmonic motionsignature recognitionsense of right and wrongselective informationsedative-hypnotic drugsecond lateran councilsaturday night specialsaint peter the apostlesagittarius the archerrobert william servicerequirements contractrepublic of kazakhstanracial discriminationpsychological featurepseudotsuga menziesiiprumnopitys taxifoliaprofessional relationplatanus occidentalisplasminogen activatorphotographic emulsionpersonality inventorypersonal relationshippast progressive tensepass with flying colorsoryctolagus cuniculusorder myxobacterialesorder mycelia steriliaorder heterotrichalesorder actinomycetalesorder accipitriformesnutritionist's calorienasturtium officinalemilton snavely hersheymilitary installationmetallographic samplemental representationmasticophis flagellummaster of architecturemarket capitalisationmarcus ulpius traianuslubricating substanceliving accommodationsligamentum teres uterilevisticum officinalelebanese monetary unitlateral epicondylitisjudgement of dismissaljean-baptiste poquelinjapanese monetary unitjames harold doolittleislamic calendar monthinsurance underwriterindustrial managementindustrial enterpriseindirect transmissionhenri toulouse-lautrechendrik petrus berlagehans christian oerstedgross national productgleditsia triacanthosgilbert charles stuartgeorges henri lemaitregenus hamamelidanthumgaultheria procumbensfriendly relationshipfrankenstein's monsterfederation of malaysiafather of the submarinefamily tachyglossidaefamily strelitziaceaefamily gasterosteidaeestonian monetary uniteruca vesicaria sativaernst heinrich haeckelemotional disturbanceeicosapentaenoic acidedward estlin cummingseastern turki languagedivision tracheophytadisplacement reactiondigitaria sanguinalisdianthus caryophyllusdevice characteristicdemonstrative pronoundeliberative assemblydegenerative disorderctenocephalides caniscross-florida waterwaycortinarius violaceuscontradiction in termsconservation of matterconsecutive operationcomparative anatomistcommercial instrumentcommercial enterprisecomedogenic substanceclassifying adjectiveclassification systemclass hemiascomyceteschlamydia 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 afghanistancantharellus cibariusbusiness relationshipbusiness organizationbusiness organisationbroadcast programmingbotswana monetary unitbotaurus lentiginosusbeta vulgaris vulgarisbasidiomycetous fungibaron snow of leicesterbalance sheet analysisaustrian monetary unitaustralian bonytongueaugustin eugene scribeatmospheric conditionasplenium ruta-murariaaspergillus fumigatusartemisia dracunculusartemisia californicaappendicular skeletonappalachian mountainsapostle of the gentilesantiballistic missileamerican harvest mouseambystomid salamanderambrose gwinett bierceambloplites rupestrisalessandro cagliostroageratum houstonianumadenosine diphosphateacquisition agreementaboriginal australianabatement of a nuisancezellig sabbatai harriszantedeschia rehmaniiyosemite national parkxeroderma pigmentosumxenorhyncus asiaticusxanthosoma atrovirensxanthoma disseminatumwyethia helianthoidesworld trade center siteworkmen's compensationwoolsorter's pneumoniawolstonian glaciationwilliam felton russellwhite-throated sparrowwhite russian languagewestern ladies' tresseswest nile encephalitiswest germanic languagewelwitschia mirabilisvirginia spring beautyvigdis finnbogadottirvice-presidential termvestibule of the vaginavesicoureteral refluxvena supratrochlearisvena intervertebralisvena gastrica sinistravena facialis anteriorvena cerebrum internusvena centrales retinaevalvular heart diseasevaccinium caespitosumustilaginoidea virensunstratified languageuniversity of michiganuniversal propositionuniversal product codeuniversal gas constantunited states treasuryunited states congressunited states civil warunited states air forceungradable oppositiontwelve tribes of israeltsutsugamushi diseasetriostium perfoliatumtrichosurus vulpeculatrichomanes speciosumtrichomanes reniformetransversus abdoministransorbital lobotomytranscortical aphasiatrack-to-track seek timetrachurus symmetricustrachipterus arcticustrachinotus carolinustoy manchester terriertoxic industrial wastetonsilla pharyngealistobias george smollettthysanopterous insecttheory of dissociationtheodore francis powysthelypteris palustristexas independence dayten-spined sticklebacktemporal lobe epilepsytelevision-camera tubetelevision newscastertaurotragus derbianustartarian honeysuckletamiasciurus douglasitalinum augustissimumtadarida brasiliensissysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussympathetic vibrationswietinia macrophyllaswan river everlastingsurvival of the fittestsupport vector machinesuperior labial arterysuperfamily tineoideasudanese monetary unitsubornation of perjurysuborder heterostracisuborder anthropoideasubliminal perceptionsubfamily taxodiaceaesubclass zoomastiginasubclass telosporidiasubclass discomycetessubclass dibranchiatastriated muscle tissuestrawberry hemangiomasticherus flabellatussteatornis caripensisstatute of limitationsstatistical procedurestatistical mechanicsstandard transmissionstaffordshire terrierst. gregory of nazianzenspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespecial-interest groupspecial duty allowancespecial drawing rightsspartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolid-propellant motorsoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistsnake's head fritillaryslender-tailed meerkatsir peter brian medawarsir hiram stevens maximsir harold walter krotosipah-e-sahaba pakistansinusoidal projectionsingle-breasted jacketsilverleaf nightshadesiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsexual characteristicseriphidium maritimumsenior master sergeantsemiautomatic firearmselaginella rupestrissecretary of educationsecretarial assistantsecond vatican councilseborrheic dermatitisscutigera coleoptratascouting organizationscleroderma aurantiumscintillation counterscintillating scotomaschizopetalon walkerischeduled maintenancescabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsatellite transmittersanvitalia procumbenssanitation departmentsalvinia rotundifoliasalvelinus fontinalissalah al-din battalionssaint james the apostlesaint francis of assisisaint edward the martyrrumohra adiantiformisrubus idaeus strigosusround-spored gyromitrarocky mountains cherryrobert charles venturirichard errett smalleyreverse transcriptaserespiratory infectionrespiratory alkalosisrequired reserve ratiorepublic of uzbekistanrepublic of tajikistanrepresentative samplereligious orientationreagan administrationraphicerus campestrisraphanus raphanistrumquantitative analysispyridoxine 5'-phosphatepyramidal motor systempurse-string operationpurchasing departmentpulicaria dysentericapublius terentius aferpterocarpus marsupiumpsychic communicationpseudaletia unipunctaproportional samplingprofit and loss accountprofessional footballprivate security forceprince-of-wales featherprimary solid solutionprice-to-earnings ratiopotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpositive magnetic poleporonotus triacanthuspopulus grandidentatapopulation commissionpolystichum aculeatumpolitical correctnesspodocarpus latifoliusplexus periarterialisplectrophenax nivalisplatymiscium pinnatumplatte river penstemonplagianthus betulinuspiezoelectric crystalpierre charles l'enfantphysostigma venenosumphysiological anatomyphysical anthropologyphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multiflorusphase iv clinical trialphase ii clinical trialpetaurista petauristapersonal line of creditperitonsillar abscesspenstemon whippleanuspenstemon linarioidespennisetum americanumpenicillin v potassiumpassive matrix displayparietomastoid sutureparalichthys dentatuspaper electrophoresispaliurus spina-christipalestinian hizballahpachyrhizus tuberosusortilis vetula macalliorthophosphorous acidorthogonal oppositionorder of saint benedictorder blastocladialesorder aristolochialesoperation desert stormoceanic whitetip sharkobtuse-angled triangleobject of a prepositionnurse-patient relationnuclear power industrynotropis atherinoidesnorthern united statesnorth island edelweissnonviolent resistancenonrestrictive clausenonmalignant neoplasmnerve block anesthesianephrolepis pectinatanepalese monetary unitneoceratodus forsterinegotiable instrumentnarthecium ossifragumnaphthalene poisoningmyrmecobius fasciatusmyeloblastic leukemiamusical time signaturemusical accompanimentmusculus sphincter animusculophrenic arterymumification necrosismultivariate analysismucuna pruriens utilismountain standard timemountain lady's slippermortise-and-tenon jointmorchella angusticepsmonofocal lens implantmonoblastic leukaemiamoment magnitude scalemolluscum contagiosummistletoe rubber plantmilitary headquartersmigratory grasshoppermicrosorium punctatummicropterus salmoidesmeriones unguiculatusmenyanthes trifoliatamentzelia laevicaulismelilotus officinalismegaloblastic anaemiamediterranean cypressmasticophis lateralismarcus terentius varromanagement consultingmammuthus primigeniusmalpractice insurancemaidenhair spleenwortmaianthemum canadensemagnesium bicarbonatemacrotus californicusmacronectes giganteusmacroclemys temminckilysimachia terrestrislysichiton americanumluis de gongora y argotelofortyx californicusliquid crystal displaylipoid granulomatosisligustrum ovalifoliumleonotis nepetaefolialecture demonstrationleatherleaf saxifragelasthenia chrysostomalamina arcus vertebraelabiodental consonantkrebs citric acid cyclekosteletzya virginicakinetic theory of gasesketosis-prone diabetesjournalist's privilegejoseph warren stilwelljohn augustus roeblingjohn addington symondsjapanese angelica treejames maitland stewartisthmus of tehuantepecintravenous pyelogramintravenous injectionintransitive verb formintracranial aneurysmintracapsular surgeryinternational affairsintermaxillary sutureinhalation anestheticinhalation anesthesiaindustrial revolutionindustrial psychologyimmediate constituenthypericum spathulatumhypentelium nigricanshylactophryne augustihydnocarpus wightianahyacinthus orientalishundred-and-sixty-fifthhundred-and-seventiethhumanistic disciplinehorizontal stabilizerhorizontal stabiliserhistiocytic leukaemiahimantopus himantopushexalectris warnockiiheterodyne oscillatorherschelian telescopehelleborus orientalishelladic civilisationhelianthus petiolarisheat of transformationheat of solidificationharkat-ul-jihad-e-islamihare's-foot bristle fernhalicoeres bivittatusgypsophila paniculatagutierrezia sarothraeguided missile frigateguernsey monetary unitgriselinia littoralisgreater peritoneal sacgreat australian bightgranville stanley hallgraeco-roman wrestlinggnaphalium sylvaticumglaucous bristlegrassgiovanni battista cibogeoffroea decorticansgenus pithecanthropusgenus parathelypterisgenus ctenocephalidesgenus corynebacteriumgenus argentinosaurusgenus aegyptopithecusgenus acanthoscelidesgaussian distributiongastrophryne olivaceagaleorhinus zyopterusfundamentals analysisfritillaria meleagrisfriedrich anton mesmerfrancis albert sinatraform genus rhizoctiniaflindersia schottianaflat-topped white asterfirst council of nicaeafirst battle of bull runfirst baron rutherfordfinancial institutionfile transfer protocolfibrous-rooted begoniafermi-dirac statisticsfeast of the dedicationfamily ustilaginaceaefamily titanosauridaefamily synchytriaceaefamily strophariaceaefamily stercorariidaefamily rickettsiaceaefamily psilophytaceaefamily phyllostomidaefamily pertusariaceaefamily peripatopsidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily eschrichtiidaefamily belostomatidaefamily ambystomatidaefalse lily of the valleyeuropean house cricketeuproctis phaeorrhoeaeuphractus sexcinctuseucalyptus paucifloraeucalyptus citriodoraeucalyptus amygdalinaeucalypt tereticornisestraterrestrial bodyerythronium dens-caniserythrina vespertilioerythrina crista-gallierigonum fasciculatumeragrostic abyssinicaepipactis helleborineepidemic encephalitisenvironmental scienceenteric-coated aspirinendamoeba histolyticaenchanter's nightshadeelizabeth cady stantonelisabeth vigee-lebrunelectrostatic printerelectrostatic machineelectronic transistorelectrical resistanceegyptian islamic jihadedward douglas white jr.edith giovanna gassioneconomic mobilisationechinocactus grusoniiecclesiastical attireeast germanic languagedryopteris marginalisdramatic mezzo-sopranodoubly transitive verbdoctoral dissertationdivision pteridophytadivision euglenophytadivision dicynodontiadissociative disorderdissociation constantdishwashing detergentdisassortative matingdiplotaxis tenuifoliadifferential calculusdesmanthus ilinoensisdescriptive adjectivederivative instrumentdelphinapterus leucasdefensive attribitiondavid glasgow farragutdavid barnard steinmandante gabriel rossettidaniel ortega saavedradangerous undertakingdalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscycladic civilisationcultivated strawberryctenocephalides feliscruciferous vegetablecrotalaria sagitalliscriminal conversationcreating by mental actscrataegus pedicellatacrataegus biltmoreanacosmological constantcorydalis claviculatacortinarius mutabiliscorpuscular radiationcoronary heart diseasecoral-root bittercressconvergent strabismuscontinental breakfastconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargeconduction anesthesiacompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecolorimetric analysiscodariocalyx motoriusclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclinical psychologistclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrysophrys australischrysanthemum maximumchrosomal abnormalitychloroxylon swieteniachinese water chestnutchester william nimitzcharles dillon stengelcervical root syndromecertificate of depositcentaurium scilloidescelastrus orbiculatuscelastric articulatuscarya myristiciformiscarolina spring beautycardiovascular systemcardiac resuscitationcarcharhinus limbatuscanalis cervicis utericanachites canadensiscalostoma cinnabarinacalochortus nuttalliicalculus of variationscalcium-silicate brickbrush-tailed porcupinebrush-tailed phalangerbritish virgin islandsbrassaia actinophyllaboykinia occidentalisblastodermic vessiclebittersweet chocolatebiscayne national parkbinomial distributionbilaterally symmetricbetula alleghaniensisbartolommeo eustachiobalaenoptera borealisbadlands national parkaversive conditioningaustronesian languageaustralian turtledoveaustralian nettle treeaustralian labor partyaustralian coral snakeaustralian blacksnakeatlantic standard timeatlantic spiny dogfishateria gastrica dextraastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiartery of the penis bulbarteria intercostalisartemisia stellerianaartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaarrhenatherum elatiusariocarpus fissuratusarctostaphylos alpinaarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationantihypertensive druganti-ballistic missileanthriscus sylvestrisamerican water spanielambrosia psilostachyaamaranthus graecizansalimentary tract smearalbatrellus dispansusairborne transmissionagriculture secretaryafrican bowstring hempaffine transformation
