20-Letter Words Containing: O,A,T
(In Any Order)
There are 124 20 letter words,
991 20 letter phrases and
0 20 letter abbr's with
O,A,T in.
Best Scoring 20 Letter Words With: O,A,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 (124)
counterrevolutionarycompartmentalizationoverenthusiasticallyinstitutionalizationanthropomorphizationhypercholesterolemiatetrahydrocannabinolinternationalizationelectroencephalogramunsatisfactorinessesunderrepresentationsultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssyncategorematicallysuperspecializationsspectrophotometricalspectroheliographiesroentgenographicallyrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalspsychopharmacologistpsychopathologicallypseudosophisticationpseudoparenchymatouspseudocholinesteraseprofessionalizationsplethysmographicallyphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphotoautotrophicallyphosphomonoesterasesphosphofructokinasesphosphoenolpyruvatesphosphatidylcholinesphenylthiocarbamidesparathyroidectomizedpaleoanthropologistsoverintellectualizesoverintellectualizedoverdifferentiationsnondenominationalismneuropsychiatricallyneuropharmacologistsmischaracterizationsmicrophotometricallymicropaleontologistsmicropaleontologicalmicrominiaturizationmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosislymphogranulomatoseskeratoconjunctivitesinterstratificationsintellectualizationsinconsequentialitiesincommensurabilitiesimmunoprecipitationsimmunocytochemicallyhyperparathyroidismshypercoagulabilitieshydrochlorothiazideshomotransplantationshistocompatibilitiesextemporaneousnessesencephalomyocarditiselectroretinographicelectrophysiologicalelectrophotographieselectrooculographiesdimethylnitrosaminesdepartmentalizationsdeinstitutionalizingdeindustrializationsdehydrochlorinationscytodifferentiationscrystallographicallycountertransferencescountersurveillancescountermobilizationscounterdemonstratorscounterdemonstratingconventionalizationscontradistinguishingchlorofluoromethaneschemotherapeuticallybacteriochlorophyllsantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidacetylcholinesterasesemiautobiographicalpseudohermaphroditicpaleoanthropologicalpalatopharyngoplastyoophorosalpingectomynoninstitutionalizednoninstitutionalisedmagnetohydrodynamicskeratoconjunctivitisinternationalisationhyperlipoproteinemiahyperadrenocorticismhistoincompatibilityheterobasidiomyceteselectrocardiographicdestructive-metaboliccounterdemonstrationcompartmentalisationadrenocorticotrophinadrenocorticotrophicabetalipoproteinemiaPhrases (991)
yellow-shafted flickerwilliam stanley jevonswilliam rowan hamiltonwilliam hyde wollastonwallace hume carothersvirgil garnett thomsonvaricella zoster virusvalvular incompetenceuniversity of nebraskaunabridged dictionaryukranian monetary unittwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemtibeto-burman languagethousand and one nightsthomas lanier williamstheatrical productiontemperature reductiontelopea speciosissimasusan brownell anthonysubclass entomostracastephen butler leacocksouthern united statessouth american countrysolidago multiradiatasoftware optimizationsocial justice warriorsir charles wheatstonesingle-valued functionsimple harmonic motionsignature recognitionsense of right and wrongselective informationsedative-hypnotic drugsecond lateran councilsaint peter the apostleround-table conferenceromanian monetary unitrocky mountain bighornrobert william servicerichard jordan gatlingrequirements contractrepublic of kazakhstanracial discriminationquantitative relationpsychological featurepseudotsuga menziesiiprumnopitys taxifoliaprotective embankmentprotective colorationprofessional relationpractical applicationpoor man's weatherglasspolitically incorrectpolitical orientationplatanus occidentalisplasminogen activatorphylogenetic relationphotographic emulsionperuvian monetary unitpersonality inventorypersonal relationshippermanganate of potashpelecanus onocrotaluspast progressive tensepass with flying colorspaleo-american cultureoryctolagus cuniculusorder myxobacterialesorder mycelia steriliaorder heterotrichalesorder actinomycetalesorder accipitriformesnutritionist's calorienigerian monetary unitnasturtium officinalemultilinear evolutionmoroccan monetary unitmoldovan monetary unitmilton snavely hersheymilitary installationmetallographic samplemental representationmelolontha melolonthamathematical relationmasticophis flagellummaster of architecturemarket capitalisationmarchantia polymorphamanagement consultantmalawian monetary unitmagnetic bubble memorylophodytes cucullatusliving accommodationslevisticum officinalelebanese monetary unitlaw enforcement agencylateral epicondylitisjudgement of dismissaljohn kenneth galbraithjean-baptiste poquelinjapanese strangleholdjapanese monetary unitjames harold doolittleislamic calendar monthinterrogative pronouninterphalangeal jointinformation gatheringindirect transmissionhyperoodon ampullatushylobates syndactylushundred-and-forty-fifthhugo alvar henrik aaltohonduran monetary unithenry rowe schoolcrafthenri toulouse-lautrechelladic civilizationhans christian oerstedhamamelid dicot familygross national productgovernment departmentglycerol tripalmitategleditsia triacanthosgeorges henri lemaitregeorg philipp telemanngeographic expeditiongaultheria procumbensfriendly relationshipfrankenstein's monsterflagellated protozoanfederation of malaysiafather of the submarinefamily tetraodontidaefamily tachyglossidaefamily phytolaccaceaefamily myrmeleontidaefamily hippopotamidaefamily gasterosteidaefamily chaetodontidaefamily antilocapridaeeuphorbia cyathophoraeucalyptus calophyllaestonian monetary unitemotional disturbanceelectric refrigeratoreicosapentaenoic acidegyptian monetary unitdivision tracheophytadisplacement reactiondictionary definitiondianthus caryophyllusdevelopmental anatomydemonstrative pronoundegenerative disorderdandie dinmont terrierctenocephalides caniscross-florida waterwaycortinarius violaceuscorallorhiza maculatacontradiction in termsconservation of matterconsecutive operationcomputer architecturecomparative anatomistcommunication channelcommercial instrumentcommercial enterprisecomedogenic substanceclyde william tombaughclosure by compartmentclassification systemclass monocotyledonesclass monocotyledonaeclass hemiascomyceteschlamydia trachomatiscentropus phasianinuscatasetum macrocarpumcase-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 north dakotacapital of mississippicapital of connecticutcapital of afghanistancalcium octadecanoatebusiness relationshipbusiness organizationbusiness organisationbroadcast programmingbotswana monetary unitbotaurus lentiginosusbolivian monetary unitbernard law montgomerybenjamin henry latrobebehavior modificationbattle of flodden fieldbasidiomycetous fungibarthold georg niebuhrbaron snow of leicesterbalaenoptera physalusb-scan ultrasonographyaustrian monetary unitaustralian bonytongueatmospheric conditionartemisia californicaarmenian monetary unitappendicular skeletonappalachian mountainsapostle of the gentilesanton pavlovich chekovantilocapra americanaanna eleanor rooseveltamyloid protein plaqueamerican harvest mouseamerican football gameambystomid salamanderambrose gwinett bierceambloplites rupestrisalgerian monetary unitalfred north whiteheadalessandro cagliostroalbanian monetary unitagropyron intermediumageratum houstonianumadenosine diphosphateacquisition agreementabortion-inducing drugaboriginal australianabelmoschus moschatusabbott lawrence lowellabatement of a nuisancea-scan ultrasonographyzanthoxylum fraxineumyosemite national parkyellow-throated martenxeroderma pigmentosumxenorhyncus asiaticusxanthosoma atrovirensxanthoma disseminatumwyethia helianthoideswritten communicationworld trade center siteworkmen's compensationwoolsorter's pneumoniawolstonian glaciationwire-haired fox terrierwind cave national parkwilliam felton russellwilhelm konrad rontgenwhite-throated sparrowvolume-detonation bombvitelline circulationvigdis finnbogadottirvestibule of the vaginavesicoureteral refluxvermillion flycatchervena supratrochlearisvena facialis anteriorvan de graaff generatorvalerianella olitoriavaccinium caespitosumustilaginoidea virensuniversity of michiganuniversal propositionuniversal product codeuniversal gas constantunited states congressunited states air forceungradable oppositionunderwater archeologyultraviolet radiationtyphoid bacteriophagetwelve tribes of israelturning and boring milltropical pitcher planttropaeolum peregrinumtriostium perfoliatumtrichosurus vulpeculatrichomanes speciosumtrichomanes reniformetribromoethyl alcoholtransversus abdoministransorbital lobotomytranscortical aphasiatraditional knowledgetrack-to-track seek timetrachinotus carolinustoy manchester terriertoxic industrial wastetorpedo-boat destroyertonsilla pharyngealistongue and groove jointtobias george smollettthysanopterous insectthree-banded armadillothomas edward lawrencethomas augustus watsonthird battle of panipatthermonuclear warheadthermonuclear reactorthermionic vacuum tubetheory of preformationtheory of dissociationtheodore francis powysthe admirable crichtontemporal lobe epilepsytelevision-camera tubetelevision newscastertaurotragus derbianustartarian honeysuckletarchanoff phenomenontanacetum camphoratumtamiasciurus douglasitalker identificationsysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussympathetic vibrationswietinia macrophyllasurvival of the fittestsupport vector machinesuperior labial arterysuperfamily tineoideasudanese monetary unitsubphylum urochordatasubornation of perjurysuborder heterostracisuborder anthropoideasubliminal perceptionsubfamily taxodiaceaesubclass zoomastiginasubclass telosporidiasubclass malacostracasubclass exopterygotasubclass discomycetesstrawberry hemangiomastomatopod crustaceanstock-purchase warrantstephen arnold douglassteatornis caripensisstatute of limitationsstatistical procedurestandard transmissionstaffordshire terrierst. gregory of nazianzenst. edward the confessorspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespecial-interest groupspecial duty allowancespartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolid-propellant motorsolanaceous vegetablesoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistsir harold walter krotosinusoidal projectionsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantsemiautomatic firearmsecretary of educationsecond vatican councilseborrheic dermatitisscutigera coleoptratascouting organizationscleroderma aurantiumscintillation counterscintillating scotomaschizopetalon walkeriscabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsanvitalia procumbenssanitation departmentsalvinia rotundifoliasalvelinus fontinalissalah al-din battalionssaint james the apostlesaint francis of assisirumohra adiantiformisrubus idaeus strigosusround-spored gyromitrarocky mountains cherryrocky mountain dogbanerobert charles ventuririot control operationreverberatory furnacerespiratory infectionrespiratory alkalosisrequired reserve ratiorepublic of uzbekistanrepublic of tajikistanreligious orientationrecreational facilityreciprocal inhibitionreagan administrationrank-order correlationrabbit-eared bandicootquercus grosseserrataqueensland bottletreepyroelectric materialpyridoxine 5'-phosphatepyramidal motor systempurse-string operationpulmonary circulationpublic utility companypterocarpus marsupiumpsychology departmentpsychic communicationproportional samplingprofit and loss accountprofessional footballprivate security forceprincipality of monacoprincipality of achaeaprince-of-wales featherprimary solid solutionprimary color for lightprice-to-earnings ratiopremenstrual syndromepremature ejaculationpotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpositive magnetic poleportulaca grandifloraporonotus triacanthuspopulus grandidentatapopulation commissionpopular struggle frontpolystichum aculeatumpolitical correctnesspodocarpus latifoliuspleuronectes platessaplectrophenax nivalisplatycerium alcicorneplatte river penstemonplatanthera leucopheaplanographic printingpityrogramma argenteapiptadenia macrocarpapiezoelectric crystalphysostigma venenosumphysiological anatomyphysical anthropologyphylum acanthocephalaphylloxera vitifoleaephyllostomus hastatusphototrophic bacteriaphotographic materialphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multifloruspersonal line of creditperitonsillar abscesspenstemon whippleanuspenstemon linarioidespenicillin v potassiumparticulate radiationparietomastoid sutureparietal placentationpaper electrophoresispapaver heterophyllumpagellus centrodontuspachyrhizus tuberosusoxyuranus scutellatusover-the-counter marketoscar palmer robertsonortilis vetula macalliorthophosphorous acidorthogonal oppositionorthodontic treatmentoreortyx picta palmeriorder pectinibranchiaorder of saint benedictorder mycoplasmatalesorder hymenogastralesorder cilioflagellataorder blastocladialesorder aristolochialesophthalmia neonatorumoperation desert stormone-hundred-thousandthomnidirectional rangeold world white pelicanoceanic whitetip sharkobtuse-angled triangleobject of a prepositionnycticorax nycticoraxnurse-patient relationnuclear power industrynotropis atherinoidesnorthern united statesnorthern snow bedstrawnorthern jacob's laddernorth island edelweissnorth atlantic councilnorth american countrynorethindrone acetatenonviolent resistancenonrestrictive clausenonmalignant neoplasmnonlinear correlationnon-euclidean geometrynew york stock exchangenerve block anesthesianephrolepis pectinatanepalese monetary unitneoceratodus forsterinegotiable instrumentnegative magnetic polenarthecium ossifragumnarrow-leaved plantainnaphthalene poisoningmyrmecobius fasciatusmyocardial infarctionmyeloblastic leukemiamusical accompanimentmusculophrenic arterymumification necrosismultichannel recordermountain standard timemountain lady's slippermortise-and-tenon jointmorchella angusticepsmonofocal lens implantmonoblastic leukaemiamonardella lanceolatamoment magnitude scalemolluscum contagiosummock turtleneck collarmistletoe rubber plantmigratory grasshoppermicrosorium punctatummicropterus salmoidesmetrazol shock therapymethod of least squaresmeriones unguiculatusmenyanthes trifoliatamelilotus officinalismegaloblastic anaemiamediterranean anchovymedial geniculate bodymatrix multiplicationmatricaria chamomillamathematical notationmathematical functionmasticophis lateralismaryland yellowthroatmarketing informationmarket capitalizationmarginal placentationmarcus terentius varromanhattan clam chowdermanagement consultingmaidenhair spleenwortmagnoliid dicot familymagnetic dipole momentmagnesium bicarbonatemacrotyloma uniflorummacrotus californicusmacronectes giganteusmacroclemys temminckilysichiton americanumlymphopathia venereumluis de gongora y argotelow-birth-weight infantlofortyx californicuslittle lord fauntleroylipoid granulomatosisligustrum ovalifoliumliberal democrat partylet the cat out of the bagleonotis nepetaefolialeft atrium of the heartlecture demonstrationleave no stone unturnedlawyer-client relationlautaro youth movementlaurence stephen lowrylasthenia chrysostomalanceolate spleenwortlambert-eaton syndromelabiodental consonantkosteletzya virginicakingdom of northumbriakinetic theory of gasesketosis-prone diabeteskenneth bancroft clarkkennedy internationaljudge advocate generaljournalist's privilegejoseph warren stilwelljohn augustus roeblingjohn addington symondsjaundice of the newbornisthmus of tehuantepecintravenous pyelogramintravenous injectionintransitive verb formintradermal injectioninternational affairsinternal auditory veinintellectual propertyinhalation anestheticinhalation anesthesiainferior labial arteryindustrial revolutionindustrial psychologyinduction acceleratorinclination of an orbitimmediate constituentimmaculate conceptionigor yevgeneevich tammidentity verificationhypothetical creaturehylactophryne augustihygrocybe acutoconicahydnocarpus wightianahyacinthus orientalishugo von hoffmannsthalhorizontal stabilizerhorizontal stabiliserhome theater projectorhistiocytic leukaemiahimantopus himantopushillary rodham clintonhexalectris warnockiiheterodyne oscillatorheteroclitic antibodyherschelian telescopeheritiera macrophyllahendrik antoon lorentzhemlock water dropworthelleborus orientalishelladic civilisationheliocentric parallaxhelianthus petiolarisheat of transformationheat of solidificationhare's-foot bristle fernhalicoeres bivittatushaemulon aurolineatumgyromitra californicagypsophila paniculatagutierrezia sarothraegustav theodor fechnerguernsey monetary unitgriselinia littoralisgridiron-tailed lizardgreatest common factorgreater peritoneal sacgranulocytic leukemiagraeco-roman wrestlinggonadotrophic hormonegolden-beard penstemonglycerol trimargarateglucose tolerance testglenn theodore seaborgglaucous bristlegrassglandular labrador teagiovanni battista cibogeorgian monetary unitgeorges jacques dantongeoffroea decorticansgenus truncocolumellagenus trachelospermumgenus tabernaemontanagenus pithecanthropusgenus megalobatrachusgenus grammatophyllumgenus entandrophragmagenus ctenocephalidesgenus cryptacanthodesgenus corynebacteriumgenus argentinosaurusgenus aegyptopithecusgenus acanthoscelidesgentiana quinquefoliagentiana pneumonanthegaussian distributiongastrophryne olivaceagamma hydroxybutyrategaleorhinus zyopterusfunctional illiteratefriedrich anton mesmerfourth lateran councilform genus rhizoctiniafloating exchange rateflindersia schottianaflat-topped white asterfixed-combination drugfirst council of nicaeafirst battle of bull runfirst baron rutherfordfinancial institutionfile transfer protocolfibrous-rooted begoniafetal alcohol syndromeferdinand the catholicfenestra of the cochleafeast of the dedicationfamily trichodontidaefamily titanosauridaefamily thelephoraceaefamily tetragoniaceaefamily tecophilaeaceafamily strophariaceaefamily stercorariidaefamily rhinocerotidaefamily rhincodontidaefamily psilophytaceaefamily pontederiaceaefamily pleuronectidaefamily plethodontidaefamily phyllostomidaefamily peripatopsidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily mycetophylidaefamily leiopelmatidaefamily kalotermitidaefamily iguanodontidaefamily hypodermatidaefamily hyperodontidaefamily helodermatidaefamily haemoproteidaefamily haematopodidaefamily flacourtiaceaefamily erethizontidaefamily entolomataceaefamily daubentoniidaefamily cryptocercidaefamily cortinariaceaefamily chloranthaceaefamily ceratodontidaefamily belostomatidaefamily batrachoididaefamily bacteroidaceaefamily athiorhodaceaefamily ambystomatidaefalse lily of the valleyexecutor-heir relationeuropean house cricketeuropean black curranteuproctis phaeorrhoeaeupatorium cannabinumeucalyptus paucifloraeucalyptus citriodoraeucalypt tereticornisestraterrestrial bodyerythronium dens-caniserythrina vespertilioerigonum fasciculatumeragrostic abyssinicaequality before the lawepipactis helleborineenvironmental scienceenteric-coated aspirinendometrial carcinomaendamoeba histolyticaemmanthe pendulifloraelizabeth cady stantonelectrostatic printerelectrostatic machineelectronic transistorelectronic dictionaryelectrical phenomenonelectrical conductionedward douglas white jr.edith giovanna gassioneczema hypertrophicumeconomic mobilizationeconomic mobilisationechinocactus grusoniieaton-lambert syndromeduke of argyll's tea treedryopteris marginalisdrumhead court-martialdramatic mezzo-sopranodoubly transitive verbdouble-breasted jacketdoctoral dissertationdoctor of public healthdivision pteridophytadivision euglenophytadivision dicynodontiadissociative disorderdissociation constantdisassortative matingdiplotaxis tenuifoliadilleniid dicot familydilation and curettagedigital communicationdifferential equationdiapheromera femoratadesmanthus ilinoensisdepartment of commercedemand for explanationdefensive attribitiondavid glasgow farragutdarkling groung beetledante gabriel rossettidaniel ortega saavedradangerous undertakingdalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscyclamen neopolitanumcycladic civilizationcycladic civilisationcurly-coated retrievercultural anthropologyctenocephalides feliscruciferous vegetablecrotalaria sagitalliscroatian monetary unitcriminal conversationcrataegus biltmoreanacount alessandro voltacottrell precipitatorcosmological constantcorydalis claviculatacortinarius mutabiliscorpuscular radiationcoronary heart diseasecoral-root bittercresscopperplate engravingcoordination compoundconvergent strabismuscontinental breakfastcontextual definitionconte alessandro voltaconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargecongregational churchcongratulatory letterconduction anesthesiaconditioned avoidancecompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecommand sergeant majorcommand line interfacecombretum appiculatumcolumn chromatographycolorimetric analysiscolorado potato beetlecollegiate dictionarycollective bargainingcodariocalyx motoriusclustered poppy mallowclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclinical psychologistclaytonia carolinianaclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrysophrys australischrosomal abnormalitychromatography columnchloroxylon swieteniachenopodium capitatumchemnitzer concertinacheck overdraft creditcharles robert redfordcharles dillon stengelcervical root syndromecertificate of depositcephalopterus ornatuscentral nervous systemcentaurium scilloidescelastrus orbiculatuscastanea chrysophyllacarya myristiciformiscarpal tunnel syndromecarolina spring beautycardiovascular systemcardiac resuscitationcalostoma cinnabarinacalochortus nuttalliicallirhoe triangulatacallirhoe involucratacalculus of variationscaffeine intoxicationbrush-tailed porcupinebroad-leaved twaybladebrassaia actinophyllaboykinia occidentalisboy orator of the plattebluethroat pikeblennyblastodermic vessicleblack-footed albatrossblack-and-tan coonhoundbittersweet chocolatebiscayne national parkbioelectric potentialbinomial distributionbegonia erythrophyllabattle of hampton roadsbasal body temperaturebartolommeo eustachiobalaenoptera musculusbalaenoptera borealisbadlands national parkbachelor of literatureaversive conditioningautomotive technologyaustronesian languageaustralian turtledoveaustralian labor partyaustralian coral snakeatrioventricular nodeatlantic spiny dogfishastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiarthur jacob arshawskyartery of the penis bulbartery of the labyrintharteria intercostalisartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaarmy of the confederacyarmored combat vehicleariocarpus fissuratusarctostaphylos alpinaarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationantiophthalmic factorantihemophilic factoranti-inflammatory druganterior cerebral veinanterior cardinal veinanogramma leptophyllaanaphylactic antibodyambrosia psilostachyaairborne transmissionagricultural labourerafrican bowstring hempaffine transformationaeronautical engineeradverbial of conditionacute myeloid leukemiaabu nidal organization2-methylpropenoic acid
