20-Letter Words Containing: I,O,O,S
(In Any Order)
There are 84 20 letter words,
443 20 letter phrases and
0 20 letter abbr's with
I,O,O,S in.
Best Scoring 20 Letter Words With: I,O,O,S
| 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 (84)
institutionalizationhypercholesterolemiaunconscionablenessesuncompromisingnessesultrarevolutionariesultramicroscopicallytransformationalistsspectrophotometricalspectroheliographiesspectrofluorometriesreconceptualizationsradioimmunoassayablepsychopharmacologistpsychopharmacologiespsychopathologicallypseudosophisticationpseudocholinesteraseprofessionalizationsphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphosphofructokinasesphosphatidylcholinesphiloprogenitivenessphenylpropanolaminesparadichlorobenzenespaleoanthropologistsoverprotectivenessesoverdifferentiationsnondenominationalismneurophysiologicallyneuropharmacologistsneuroendocrinologistneuroendocrinologiesmicropaleontologistsmicroelectrophoresismicroelectrophoreseslymphogranulomatosiskeratoconjunctivitesimmunoprecipitationshyperconsciousnesseshypercholesterolemichydrochlorothiazideshomotransplantationshistocompatibilitiesglomerulonephritidesencephalomyocarditiselectrophysiologistselectrophysiologicalelectrophotographieselectrooculographiesdeoxyribonucleotidesdehydrochlorinationscytodifferentiationscountermobilizationscounterdemonstratingcounterconditioningsconventionalizationsbacteriochlorophyllsantifluoridationistsanticonservationistsanthropocentricitiesadrenocorticotropinsadrenocorticosteroidsemiautobiographicalpseudohermaphroditicoophorosalpingectomynoninstitutionalizednoninstitutionalisednephroangiosclerosismagnetohydrodynamicslipochondrodystrophykeratoconjunctivitisinternationalisationincontrovertiblenessimmunohistochemistryhyperadrenocorticismhistoincompatibilityheterobasidiomycetescounterrevolutionistcounterdemonstrationcounter-revolutionistcompartmentalisationPhrases (443)
woodrow wilson guthriewilliam lloyd garrisonwilliam hyde wollastonvirgil garnett thomsontwo-dimensional figuretumour necrosis factortransportation systemthousand and one nightstelopea speciosissimasuperfamily coccoideasuborder myxiniformesstephen collins fostersouth american countrysolidago multiradiatasoftware optimizationsocial justice warriorsimple harmonic motionsignature recognitionsense of right and wrongselective informationsecond lateran councilsecond coming of christscomberomorus regalisscipio africanus majorschool superintendentsaponaria officinalisrobert louis stevensonrhizopogon idahoensisresurrection of christresident commissionerrepublic of el salvadorreconstruction periodpsychological featureprumnopitys taxifoliaprofessional relationprinciple of parsimonypollachius pollachiusplasminogen activatorphotographic emulsionpersonality inventorypersonal relationshippass with flying colorsoryctolagus cuniculusorder sphenisciformesorder myxobacterialesorder heterotrichalesorder actinomycetalesorder accipitriformesobstruction of justicenutritionist's calorieneisseria gonorrhoeaemadonna louise cicconelunar excursion modulelophophora williamsiiliving accommodationsjoseph louis gay-lussacjames harold doolittleinstruction executionhomolosine projectionhenri toulouse-lautrecgross national productgenus phoenicophoriumgenus ornithorhynchusfouquieria columnarisfederation of malaysiafamily pseudococcidaeestonian monetary unitendogenous depressionemotional disturbanceeicosapentaenoic acidecological successiondivision tracheophytademonstrative pronouncross-florida waterwaycortinarius violaceusconvolvulus scammoniacontradiction in termsconservation of matterconsecutive operationconfession of judgmentcomparative anatomistcommunity of interestscomedogenic substancechristopher isherwoodcase-to-infection ratiocardinal compass pointcapital of south dakotacapital of south africacapital of sierra leonecapital of rhode islandbusiness organizationbusiness organisationbroadcast programmingbotswana monetary unitbotaurus lentiginosusblue ribbon commissionbasidiomycetous fungibaron snow of leicesteraustralian bonytongueatmospheric conditionarcheological remainsapostle of the gentilesanemopsis californicaalessandro cagliostroageratum houstonianumadenosine diphosphatezalophus californicusyosemite national parkxiphosurus polyphemusxeroderma pigmentosumxanthosoma atrovirensworkmen's compensationword processing systemwoolsorter's pneumoniawolstonian glaciationwhite-throated sparrowwhite dog's-tooth violetvigdis finnbogadottiruniversal propositionuniversal product codeungradable oppositiontriostium perfoliatumtrichomanes speciosumtrichomanes reniformetransorbital lobotomytrachinotus carolinustobias george smollettthysanopterous insecttheory of dissociationtheodore francis powysthelonious sphere monktemporal lobe epilepsysynchronous operationsymplocarpus foetidusswainsona grandifloraswainsona galegifoliasupport vector machinesubornation of perjurysuborder sciuromorphasuborder plesiosauriasuborder heterostracisuborder anthropoideasubfamily mimosoideaesubclass zoomastiginasubclass telosporidiasubclass branchiopodastylophorum diphyllumstatute of limitationsst. gregory of nazianzenspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolidago sempervirenssolid-propellant motorsoleirolia soleiroliisoftware optimisationsodium orthophosphatesocial stratificationsocial anthropologistsmiledon californicusslip-tongue log skiddersir oliver joseph lodgesir joseph john thomsonsir james young simpsonsir harold walter krotosir geoffrey wilkinsonsinusoidal projectionsecretary of educationsecond vatican councilsecond epistle of petersecond earl of guilfordsecond council of lyonsscutigera coleoptratascouting organizationscintillation counterscintillating scotomaschizopetalon walkeriscaphiopus bombifronsscabiosa atropurpureasaxifraga stoloniferasalvinia rotundifoliasalpichroa rhomboidearumohra adiantiformisround-spored gyromitrarocky mountains cherryrhododendron viscosumrevolutions per minuterespiratory infectionrespiratory alkalosisreligious orientationreconstructive memorypyridoxine 5'-phosphatepyramidal motor systempurse-string operationpsychological warfarepsychological sciencepsychic communicationpseudococcus fragilisproportional samplingprofit and loss accountprofessional footballprofessional baseballprocessus coronoideusprimary solid solutionprice-to-earnings ratiopotassium-argon datingpotassium bicarbonateposterior labial veinspostal rate commissionpositive magnetic poleporonotus triacanthuspopulation commissionpolystichum lonchitispolitical correctnesspodocarpus latifoliuspodocarpus ferrugineapittsburgh of the southpilosella officinarumpierre-joseph proudhonphysostigma venenosumphysiological anatomyphysical anthropologyphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multifloruspersonal line of creditperonospora hyoscyamiperomyscus gossypinuspenstemon linarioidespassiflora mollissimapassiflora maliformispassiflora laurifoliaparietomastoid suturepaper electrophoresisorthophosphorous acidorthopedic foot insoleorthogonal oppositionorganic brain syndromeorder torpediniformesorder scrophularialesorder of saint benedictorder lepidodendralesorder cycadofilicalesorder charadriiformesorder blastocladialesorder aristolochialesorange mushroom pimpleophioglossum pendulumoperation desert stormonobrychis viciifoliaobject of a prepositionnotropis atherinoidesnorthwest territoriesnonviolent resistancenonmalignant neoplasmneurological disorderneoceratodus forsterinecrobiosis lipoidicanaphthalene poisoningmycoplasmal pneumoniamumification necrosismortise-and-tenon jointmorphophonemic systemmonofocal lens implantmonoblastic leukaemiamolluscum contagiosummigratory grasshoppermicrosorium punctatummicropterus salmoidesmelilotus officinalismacrotus californicuslyrurus mlokosiewicziluis de gongora y argotelowest common multiplelouis victor de broglielofortyx californicuslipoid granulomatosisligustrum ovalifoliumlesser rhomboid muscleleptotyphlops humilislepidochelys olivacealeonotis nepetaefolialecture demonstrationlasthenia chrysostomalabiodental consonantkingdom of saudi arabiakinetic theory of gasesketosis-prone diabetesjohn augustus roeblingjohn addington symondsjapanese morning gloryjames douglas morrisonisovolumetric processisidor feinstein stoneintravenous pyelogramintravenous injectionindustrial revolutionindustrial psychologyinconvenience oneselfincentive stock optionhymenoxys grandiflorahylophylax naevioideshydrofluosilicic acidhorizontal stabilizerhorizontal stabiliserhippodamia convergenshimantopus himantopusheterodyne oscillatorhelleborus orientalisheat of transformationheat of solidificationhare's-foot bristle ferngross domestic productgregory goodwin pincusgraeco-roman wrestlinggooseneck loosestrifegiovanni battista cibogeometric progressiongeoffroea decorticansgenus reithrodontomysgenus ptilonorhynchusgenus hippoglossoidesgenus hamamelidoxylongenus gymnosporangiumgenus aspidophoroidesgastrophryne olivaceagaleorhinus zyopterusfrederick moore vinsonform genus rhizoctiniaforeign correspondentforeground processingfirst council of nicaeafirst baron rutherfordfile transfer protocolfibrous-rooted begoniafeast of the dedicationfamily scombresocidaefamily phyllostomidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily lophosoriaceaefamily discoglossidaefamily belostomatidaeeuropean house cricketeuproctis phaeorrhoeaeuphorbia helioscopiaeucalyptus citriodoraendamoeba histolyticaempiricist philosophyelectronic transistoredith giovanna gassioneconomic mobilisationechinochloa crusgalliechinocactus grusoniidryopteris oreopterisdramatic mezzo-sopranodomestic silkworm mothdolichonyx oryzivorusdoctoral dissertationdivision pteridophytadivision euglenophytadivision dicynodontiadissociative disorderdissociation constantdiplotaxis tenuifoliadionysius i of syracusedicrostonyx hudsoniusdichloroethyl sulfidedemetrius poliorcetesdavid alfaro siqueiroscyamopsis psoraloidescriminal conversationcoumarone-indene resincosmological constantcorpuscular radiationcoronary heart diseasecoral-root bittercressconstructive evictionconstruction industryconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargeconduction anesthesiacompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecolour television tubecolorimetric analysiscodariocalyx motoriusclostridium botulinumclopidogrel bisulfateclinical psychologistclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrosomal abnormalitychloroxylon swieteniachionochloa conspicuachinese black mushroomcervical root syndromecertificate of depositcentrolobium robustumcalostoma cinnabarinacalochortus nuttalliicalifornia false morelcalculus of variationsboykinia occidentalisbosnia and herzegovinabittersweet chocolatebinomial distributionbegonia semperflorensbartolommeo eustachiobalaenoptera borealisbackground processingaversive conditioningastrophyton muricatumardisia escallonoidesarctostaphylos alpinaaposematic colorationapodictic propositionapalachicola rosemaryandropogon virginicusandrew jackson downingambrosia psilostachyaaldrovanda vesiculosaairborne transmissionair force space commandaffine transformation
