18-Letter Words Containing: O,S,O
(In Any Order)
There are 259 18 letter words,
764 18 letter phrases and
0 18 letter abbr's with
O,S,O in.
Best Scoring 18 Letter Words With: O,S,O
Expand? | Word | Save? | Length | Usage | Points | Type | |
---|---|---|---|---|---|---|---|
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 (259)
telecommunicationsdisproportionatelygastroenterologisttransmogrificationpsychopharmacologyoversimplificationspectrophotometricsociopsychologicaloverrepresentationpsychopathologicalhyperaldosteronismpaleoclimatologistneuropsychologicalweatherproofnessesvideoconferencingsvaingloriousnessesunconscionablenessuncompromisingnessultramicroscopicaltrichloroethylenestransistorizationstransformationallythrombophlebitidestachistoscopicallysuperconglomeratessubmicroscopicallysubconsciousnessessubcategorizationsstoichiometricallystereophotographicsphygmomanometriesspectrophotometersspectrohelioscopesspectroheliographyspectroheliographsspectrofluorometryspectrofluorometerspectrofluorimetersoporiferousnessessemiprofessionallysemidomesticationssedimentologicallyribonucleoproteinsrhabdomyosarcomatarenationalizationsrehospitalizationsreconstructionistsreconstructionismsrechromatographiesradiochromatogramsquattuordecillionspsychophysiologistpsychophysiologiespsychopathologistspsychobiographicalpseudotuberculosispseudotuberculosespseudonymousnessesprovincializationspronounceabilitiespreposterousnessespostpsychoanalyticpolymorphonuclearspolyesterificationpolyacrylonitrilesphysiopathologicalphotosyntheticallyphotosensitizationphotosensitivitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomorphogenesesphotomicrographiesphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphotodecompositionphosphoglucomutasephosphodiesterasesperchloroethylenespentachlorophenolspathophysiologicalpaleoclimatologiesoverspecializationoverprotectivenessoveroptimisticallyoverfertilizationsoverextrapolationsoverconcentrationsovercommunicationsovercommercializesoverclassificationotherworldlinessesostentatiousnessesoscillographicallyorthopsychiatristsorthogonalizationsorganophosphorusesopinionativenessesobstreperousnessesnonrevolutionariesnoninterventionistnonfraternizationsnondiscriminationsnoncooperationistsnoncomparabilitiesnoncommutativitiesnonanthropologistsneurotransmissionsneuropsychologistsneurophysiologistsmonochromaticitiesmineralocorticoidsmicroreproductionsmicroradiographiesmicrophotographiesmicrophotographersmicrometeorologistmicrometeorologiesmicromanipulationsmicrolepidopterousmicroencapsulationmicrodensitometricmicrodensitometersmicrocalorimetriesmethylprednisolonemethemoglobinemiasmelodramatizationsmacrophotographiesmacroglobulinemiaslipopolysaccharidelepidopterologistsintrospectionisticintercolumniationsinharmoniousnessesinconsolablenessesincommodiousnessesimpersonalizationsimmunosuppressionsimmunopathologistsimmunohematologistimmunohematologieshyposensitizationshypophysectomizinghyperpolarizationshyperconsciousnesshydrometeorologisthydrometeorologieshomoscedasticitieshistophysiologicalhemoglobinopathiesgranulocytopoiesisgranulocytopoiesesglycosaminoglycansglottochronologiesgastroenterologiesfractionalizationsforethoughtfulnessextemporaneousnessevapotranspirationethnomusicologistsethnomusicologicalethnomethodologistethnomethodologieselectroretinogramselectrophysiologicelectromyographieselectrodesiccationelectrodepositionselectrocardiogramsechocardiographiesechocardiographersdisproportionationdisproportionatingdishonorablenessesdiscourteousnessesdisconsolatenessesdihydroergotaminesdiastereoisomerismdephosphorylationsdepersonalizationsdeoxyribonucleasesdenominationalismsdendrochronologistdendrochronologiesdenationalizationsdemythologizationsdehydrochlorinatesdehydrochlorinasesdeconstructionistscountersuggestionscounterrevolutionscounterquestioningcounterpropagandascounterinstitutioncountergovernmentscounterdeploymentscounterdemonstratecounterconventionscounteraggressionscounteradaptationscounteraccusationsconversationalistscontradistinctionscontemptuousnessesconsubstantiationsconstitutionalizesconstitutionalizedconstitutionalistsconstitutionalismscongregationalistscongregationalismsconceptualizationscompanionabilitiescommercializationscoccidioidomycosesclaustrophobicallycholecystectomizedbourgeoisificationbloodthirstinessesbiotransformationsbiocompatibilitiesbacteriorhodopsinsastrophotographiesastrophotographersarchaeoastronomiesaerothermodynamicsunconstitutionallytriphosphopyridineterritorialisationrhinolaryngologistpteridospermopsidapseudopleuronectesplasmodiophoraceaeovercapitalisationorder-chenopodialesnonprognosticativenoncomprehensivelyneurophysiologicalmuscivora-forficatamucopolysaccharidemethyltestosteroneimmunofluorescencehypoparathyroidismhomobasidiomyceteshistocompatibilitygood-neighborlinessglomerulonephritisfibrocartilaginouscytoarchitectonicscross-fertilizationcross-fertilisationcorrosion-resistantcoccidioidomycosisballistocardiogramarteriolosclerosisadenocarcinomatousPhrases (764)
worldly possessionswoodwind instrumentwashington monumentvoiceless consonantvasco nunez de balboavaccinium oxycoccusunconscious processtomistoma schlegelithomas clayton wolfethird epistle of johnthird epistel of johntheodosius the greattendonous synovitistelevision reportertangible possessionsupervisory routinesuperiority complexsuborder myxinoideisuborder clamatoressuborder anisopterasphenodon punctatumsolidago spathulatasolid body substancesolenostemon blumeisocial organizationsocial organisationsir henry joseph woodsingle-reed woodwindsexual reproductionscorpio the scorpionsamolus parviflorusroyal academy of artsrheims-douay versionresearch colloquiumrepublic of sloveniarepublic of hondurasproposal of marriageprofessional golferprofessional boxingpriority processingposterior pituitarypositive reinforcerpopulus tremuloidespooecetes gramineuspolish monetary unitpolianthes tuberosapoisonous substancepodilymbus podicepsplanning commissionpiano transcriptionphysiological statephysical phenomenonphotographer's modelperomyscus leucopusparkinson's syndromep-type semiconductoroysters rockefelleroven stuffer roasterostrya carpinifoliaorthotomus sutoriusorder trogoniformesorder sauropterygiaorder sarcosporidiaorder passeriformesorder ichthyosauriaorder columbiformesorder ciconiiformesone thousand millionoenothera fruticosaodocoileus hemionusoceanites oceanicusnicolaus copernicusneuropterous insectnephrops norvegicusnational censorshipnarcotic antagonistmusical compositionmount rushmore statemoschus moschiferusminister of religionmethotrexate sodiummeleagris gallopavomeconopsis cambricamaterial possessionmary wollstonecraftmagnoliopsid familymacrozamia communislowlands of scotlandlouis-hector berliozloranthus europaeuslepomis macrochiruskilocycle per secondjons jakob berzeliusjohn charles fremontjames prescott joulehypostasis of christhypertonic solutionhouses of parliamenthousehold appliancehistorical documentheat of vaporisationhealth professionalgustatory sensationgeorge westinghousegeorge simon kaufmangenus scomberomorusgenus phalacrocoraxgenus dorotheanthusgenus dimorphothecagallinula chloropusfunctional disorderfricative consonantfreudian psychologyfrancis ford coppolafirst epistle of johnfederation of tribesfamily scolopacidaeexpressed almond oileuropean goatsuckeressential conditionelectronics companyelectron microscopeelection commissionedward roscoe murroweconomic assistancedouay-rheims versiondoctor of osteopathydmitri shostakovichdivision cynodontiadivision anthophytadistributor housingcouncil of constanceconstruction workerconservation of masscompression bandagecommon american shadcome out of the closetcolocasia esculentaclass magnoliopsidaclass hyalospongiaeclass dicotyledonaechromosomal anomalychristopher marlowechemical operationsceremonial occasioncapital of wisconsincapital of minnesotacapital of louisianacapital of indonesiabreak someone's heartbook of lamentationsbook of instructionsboocercus eurycerusblood extravasationbiological researchbellbottom trousersbaron georges cuvieraugsburg confessionastronomy satelliteascension of the lordartocarpus communisartistic productionanglo-saxon languagealfred louis kroeberalfred lord tennysonair-to-ground missileagropyron cristatumacoustic gramophoneaccordance of rightsabel janszoon tasmanzero-coupon securityyellow adder's tonguexyphophorus helleriwrit of habeas corpuswoolsorter's diseasewilson cloud chamberwhorled loosestrifewhite slime mushroomwebbing clothes mothvermillion rockfishvena stylomastoideavaranus komodoensisuropsilus soricipesupper carboniferousunspoken accusationuniversity of oxfordunipolar depressiontuberculoid leprosytropical rain foresttrogium pulsatoriumtrisodium phosphatetoxic shock syndrometobacco mosaic virustime deposit accounttime-and-motion studythujopsis dolobratathreshold operationthomas stearns eliotthomas gainsboroughthirst for knowledgethermobia domesticathermionic emissiontheory of indicatorstheodor seuss geiselthamnophis proximusteucrium scorodoniatelephone extensiontaraktogenos kurziitalk through one's hatsystem of numerationsynaptomys borealissymplocus tinctoriasymphoricarpos albaswiss confederationsweet-potato ring rotsupervisory programsuperior colliculussubphylum urochordasuborder tarsioideasuborder odontocetisuborder nematocerasuborder mugiloideasuborder menotyphlasuborder lipotyphlasuborder lemuroideasuborder gorgonaceasuborder ceratopsiasuborder carnosaurasuborder alcyonaceasubclass actinopodastereoscopic visionstereophonic systemstenotomus chrysopsstellar associationsteganopus tricolorstations of the crossstarvation acidosisst. ignatius of loyolaspotsylvania countysporobolus poiretiisphenoidal fontanelsphenoid fontanellesouthern yellow pinesouthern bog lemmingsouth temperate zonesouth celestial polesonora semiannulatasolomon r. guggenheimsolidago canadensissolanum commersoniisolanum carolinensesodium thiosulphatesodium hypochloritesociological theorysocio-economic classsocial anthropologysnowdrop windflowersmoking compartmentsmilax rotundifoliaskull and crossbonessingle-furrow ploughsignal-to-noise ratioshrubby st john's wortshoulder-to-shouldershoshonian languageshoshonean languageshortia galacifoliashort saphenous veinshaggymane mushroomsex-change operationsensory deprivationsensorimotor regionsemiconductor diodesemi-sweet chocolateself-employed personsecondary educationsecondary dentitionsecobarbital sodiumscopolia carniolicascleroderma bovistasciaenops ocellatussao tome and principesao bernardo do camposamolus floribundussalicornia europaeasacrifice operationsacramento sturgeonronald wilson reaganrocky mountain sheeprobotic telesurgeryrichard john robertsrhus toxicodenedronrhizopus stoloniferrhizomatous begoniarhetorical questionresearch laboratoryrepublic of botswanaregular icosahedronregular convex solidregression equationred river of the southreaction propulsionrandom-access memoryralph johnson buncherachel louise carsonpyrophosphoric acidpyorrhea alveolarispylodictus olivarispurple-hooded orchispull out all the stopspublius ovidius nasopsychotherapy grouppsychological statepsocopterous insectproto-norse languageprospero lambertiniprosopis juliifloraprosopis glandulosaprosecuting officerpropositional logicproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocyon cancrivorusprionotus carolinuspresident rooseveltpower-station workerpotos caudivolvuluspotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton nodosuspotamogeton crispuspositive chemotaxispositional notationportuguese man-of-warportal hypertensionpork-and-veal goulashporcupine provisionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolyporus squamosuspolyporus frondosuspolypodium scouleripolyphosphoric acidpolitical commissarpolice commissionerpolemonium viscosumpoephila castanotispodiceps ruficollisplumed scorpionfishplosive speech soundpleurotus ostreatusplains pocket gopherplains lemon monardapinnotheres ostreumphrynosoma cornutumphotogenic epilepsyphonological systemphaseolus coccineuspezophaps solitariapetroleum geologistpesticide poisoningperiodontal diseasepembroke welsh corgipaul joseph goebbelspaul bustill robesonparochetus communisparkinsonia floridaparathion poisoningparacentral scotomaoxytropis lambertiiorthopterous insectornithopod dinosauroreamnos americanusorder temnospondyliorder synentognathiorder stegocephaliaorder solenogastresorder solenichthyesorder psilophytalesorder polymastiginaorder mycrosporidiaorder haplosporidiaorder haemosporidiaorder falconiformesorder endomycetalesorder cypriniformesorder coraciiformesorder colymbiformesorange horseshoe batopisthocomus hoazinoperations researchomphalotus illudensolfactory sensationold world coral snakeold english sheepdogobservation stationoak-leaved goosefootnucleolus organizernucleolus organisernucleolar organisernotoryctus typhlopsnothofagus truncatanorth celestial polenormative economicsnormal distributionnonvolatile storagenonsocial infectionnonreligious personnon-volatile storagenikolai lobachevskynicolaus zinzendorfnicholas ii of russianewtonian telescopenewton's law of motionnew world coral snakeneurotic depressionnervous prostrationn-type semiconductormyosotis scorpiodesmyositis trichinosamountain spleenwortmother-in-law's tonguemorrow's honeysucklemoreton bay chestnutmontia lamprospermamonmouth court housemomordica balsaminamolecular biologistmissouri compromiseminor diatonic scaleminoan civilisationmineral associationminato ohashi bridgemilitary commissionmicroscopic anatomymicroprocessor chipmexican pocket mousemetaphosphoric acidmetabolic alkalosismeriones longifronsmelospiza georgianameadow jumping mousemaster of ceremoniesmason and dixon's linemarquis de condorcetmalathion poisoningmalacosoma disstriamajor diatonic scalemagneto-optical discmacroscopic anatomylycopodium obscurumloxostege similalislower carboniferouslip synchronizationlip synchronisationlimnodromus griseusliliid monocot genusleycesteria formosalepromatous leprosyleontocebus rosalialeontocebus oedipusleaning tower of pisale douanier rousseaulate-spring-bloominglactose intolerancelactarius deliciosokorsakov's psychosiskorsakoff's syndromekingdom protoctistakingdom of swazilandkarl theodor jaspersjunction transistorjuan carlos i of spainjoseph paul dimaggiojose clemente orozcojoint chiefs of staffjohn joseph pershingjatropha stimulosusjacques lucien monodiron-storage diseaseipomoea orizabensisionization constantinternal combustioninsider informationinorganic phosphateinformation scienceinformation measureinferior colliculusidiopathic disorderhypophosphoric acidhypo-eutectoid steelhygrophorus russulahydropower industryhoward robard hugheshousing developmenthorseshoe whipsnakehonorable dischargehomo sapiens sapiensholocentrus bullisihibiscus moscheutosheterotheca villosaheterosexual personhenry oscar houghtonhelleborus foetidushedeoma pulegioidesheat of dissociationheat of condensationhaemorrhagic strokegymnadenia conopseaguilt by associationgrouse whortleberrygroup psychotherapygroup centrospermaegrievous bodily harmgregory of nazianzusgregorian telescopegreenhouse emissiongrand duchy of moscowgradable oppositiongoods and service taxglorious revolutiongirolamo savonarolagianbattista bodonigiambattista bodonigiacomo della chiesageostationary orbitgeorge paget thomsongenus trichoglossusgenus toxicodendrongenus tautogolabrusgenus strobilomycesgenus streptococcusgenus sphaerocarposgenus scolopendriumgenus schizopetalongenus protoceratopsgenus poecilocapsusgenus pithecolobiumgenus phellodendrongenus phascolarctosgenus paracheirodongenus odontoglossumgenus notophthalmusgenus micropogoniasgenus microdipodopsgenus macrocephalongenus leucocytozoongenus leucocytozoangenus leptotyphlopsgenus lagarostrobusgenus ibero-mesornisgenus halimodendrongenus gomphotheriumgenus ginglymostomagenus gastroboletusgenus entomophthoragenus electrophorusgenus edmontosaurusgenus corythosaurusgenus compsognathusgenus cnemidophorusgenus clethrionomysgenus chrysochlorisgenus chronoperatesgenus chorizagrotisgenus chlorophyllumgenus chlorophoneusgenus chlamydomonasgenus cercosporellagenus anomalopteryxgenus anoectochilusgeneral-purpose bombgastroepiploic veingastrocolic omentumfunctional genomicsfull phase of the moonfringed loosestrifefranklin d. rooseveltforward transactionforegone conclusionflorida smoothhoundfirst baron tennysonfavourable positionfausto paolo sozzinifast of the firstbornfamily synodontidaefamily rhiptoglossafamily gobiesocidaefamily catostomidaefamily aulostomidaefairness commissioneuropean wolf spidereuclid's second axiomeuclid's fourth axiomestrogen antagonistesther hobart morrisepistle to the romansepacris obtusifoliaelectron microscopyelectric toothbrusheichhornia spesiosaedward the confessoreastern hop hornbeameast indian rosewooddusky-footed woodratdusky-footed wood ratdryopteris goldianadorothy leigh sayersdoctor of philosophydoctor of humanitiesdivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadistrict of columbiadissociation energydisorderly behaviordirector of researchdioscorea bulbiferadicamptodon ensatusdesmodium tortuosumdental orthopaedicsdelusional disorderde facto segregationdavidson's penstemoncystopteris montanacystophora cristatacynoscion nebulosuscynoglossum amabilecutaneous sensationcrucifixion of jesuscross-country skiingcross-country ridingcriminal possessioncreeping wood sorrelcrataegus tomentosacourt of saint james'scotoneaster dammericorticospinal tractcortaderia selloanacorrosive sublimatecorporal punishmentcoronavirus diseasecoronary thrombosiscoreopsis tinctoriacoptis groenlandicaconversion reactionconversion hysteriaconversion disordercontract of adhesioncontopus sordiduluscontempt of congresscontagious abortionconjugal visitationcongenital disorderconflict of interestconfederate soldierconduction deafnesscomputer simulationcompound microscopecomplex prepositioncomplementary closecompetitor analysiscompatible softwarecompassionate leavecommunist manifestocommon staghorn ferncommon lady's-slippercolutea arborescenscoluber hippocrepiscoluber constrictorcolorado blue sprucecollege of cardinalscolaptes chrysoidescoeloglossum viridecnemidophorus veloxclinical psychologyclematis versicolorclassical philologyclassical mythologyclass holothuroideaclass dicotyledonesclass coniferopsidaclass chlorophyceaechrysolophus pictuschrysobalanus icacochoriotis australischoloepus hoffmannicholesterosis cutischinese forget-me-notchaenopsis ocellatacerebral thrombosisceratostomella ulmicecil scott forestercastilleja chromosacapreolus capreoluscapital of singaporecapital of san marinocapital of costa ricacalostoma raveneliicalostoma lutescenscalopogon tuberosumcalochortus eleganscalochortus amoenuscalifornia sycamorebuchloe dactyloidesbrown root rot fungusbronchoscopic smearbroadcasting studiobrevoortia tyrannisboy scouts of americabottle-nosed dolphinbook of ecclesiastesbone-headed dinosaurboltzmann's constantbody plethysmographbocconia frutescensblack root rot fungusbird-footed dinosaurbinge-vomit syndromebillion-dollar grassbernese mountain dogbartolomeo eustachibartholomew robertsbarbados gooseberryball-and-socket jointautomobile industryautoimmune disorderastroloma humifusumassociate professorassistant professorasian tiger mosquitoasian horseshoe crabascophyllum nodosumascomycetous fungusarterial blood gasesarrowleaf groundselarmy of the righteousaristolochia durioraristarchus of samosanolis carolinensisanointing of the sickanoa depressicornisannona diversifoliaangoumois grain mothandropogon furcatusalveolar resorptionalsophila pometariaalmond-leaves willowalice-josephine ponsaleksandr prokhorovaffricate consonantadlerian psychologyacoustic projectionacoustic phenomenonacoustic absorptionacentric chromosomeabsorption spectrumabnormal psychology