18-Letter Words Containing: O,Y
(In Any Order)
There are 147 18 letter words,
724 18 letter phrases and
0 18 letter abbr's with
O,Y in.
Best Scoring 18 Letter Words With: O,Y
| 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 (147)
disproportionatelyinconsequentialityhypercoagulabilitypsychopharmacologysociopsychologicalpsychopathologicalhyperaldosteronismneuropsychologicalultrarevolutionarytrichloroethylenestransformationallytachistoscopicallysubmicroscopicallystoichiometricallystereospecificallysphygmomanometriesspectroheliographyspectrofluorometrysomnambulisticallysemiprofessionallysemiconservativelysedimentologicallyroentgenologicallyrhabdomyosarcomatarepresentationallyrecrystallizationsquantificationallypsychophysiologistpsychophysiologiespsychopathologistspsychobiographicalpsychoanalyticallypseudoparenchymatapseudonymousnessespropertylessnessespropagandisticallypostpsychoanalyticpolyribonucleotidepolymorphonuclearspolyesterificationpolychromatophilicpolychromatophiliapolyacrylonitrilesphytohemagglutininphysiopathologicalphotosyntheticallypheochromocytomataphenomenologicallyperchloroethylenespentylenetetrazolspathophysiologicaloveroptimisticallyoscillographicallyorthopsychiatristsophthalmologicallyneuropsychologistsneuropsychiatristsneurophysiologistsneuroendocrinologymyeloproliferativemicrocrystallinitymethylprednisolonemethylcholanthrenemetallographicallymagnetostrictivelylymphangiographieslipopolysaccharideincommensurabilityimmunocytochemicalhyposensitizationshypophysectomizinghypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshypercorrectnesseshyperconsciousnesshyperconcentrationhyperalimentationshydroxytryptamineshydrometeorologisthydrometeorologieshydrometallurgistshydrometallurgicalhydroelectricitieshistophysiologicalgranulocytopoiesisgranulocytopoiesesglycosaminoglycansgeochronologicallyelectrophysiologicelectrophotographyelectrooculographyelectromyographiesdiphenylhydantoinsdihydroergotaminesdephosphorylationsdeoxyribonucleasesdemythologizationsdehydrochlorinatesdehydrochlorinateddehydrochlorinasescounterdeploymentscollectivisticallycoccidioidomycosesclaustrophobicallycholecystectomizedchlortetracyclinesautobiographicallyaerothermodynamicsunconstitutionallytriphosphopyridinetetraiodothyroninetetrachlorethylenespectrographicallysaccharomycetaceaerhinolaryngologistpteridospermaphytapsychotherapeuticspolypropenonitrilepalaeoanthropologypachycephalosaurusnoncomprehensivelyneurophysiologicalmultifunctionalitymucopolysaccharidemethyltestosteronelaryngopharyngitishypoparathyroidismhypercholesteremiahydroxychloroquinehydroflumethiazidehomobasidiomyceteshistocompatibilityelectrodynamometerdiethylstilbestroldiethylmalonylureacytoarchitectonicscryptogrammataceaecounterintuitivelycorynebacteriaceaecoccidioidomycosischlamydomonadaceaecalymmatobacteriumanthropocentricityPhrases (724)
yemeni monetary unitworldly possessionsvladimir mayakovskyvictory in europe dayvictory celebrationvaccinium oxycoccustypographical errorturnip-rooted celerytreaty of versaillesthyrotropic hormonethomas clayton wolfetendonous synovitissyzygium aromaticumsyrian monetary unitsupervisory routinesuperiority complexsuborder myxinoideisolid body substancesir henry joseph woodshort-term liabilityselective lipectomysecurity consultantroyal academy of artsrheims-douay versionrevolutionary grouprespiratory illnessrepublic of paraguayreproductive memoryread-only memory chipqatari monetary unitpriority processingposterior pituitarypolygala paucifoliapolitically correctpolish monetary unitpodilymbus podicepsphysiological statephysical phenomenonphysical attractionphylum coelenterataphoenix dactyliferaperomyscus leucopusparkinson's syndromepapuan monetary unitp-type semiconductoroysters rockefellerostrya carpinifoliaorder sauropterygiaorder ichthyosauriaoil-industry analystnew world flycatchernavigational systemmyrmecophaga jubatamodal auxiliary verbmilitary governmentmilitary expeditionmegacycle per secondmary wollstonecraftmagnoliopsid familylucy maud montgomerylow-birth-weight babylighthorse harry leelachrymal secretionkilocycle per secondkeyboard instrumentkenyan monetary unitjohn orley allen tatejames whitcomb rileyindian monetary unithypostasis of christhypertonic solutionherman northrop fryehenry norris russellharold clayton lloydgustatory sensationgreat pyramid of gizagossypium herbaceumgeophysical sciencegenus styracosaurusgenus saccharomycesgenus phyllostachysgenus archaeopteryxgenetic abnormalitygene delivery vectorfulminate of mercuryfreudian psychologyfamily scorpaenidaefamily scolopacidaefamily polygalaceaefamily motacillidaefamily magnoliaceaefamily loranthaceaefamily heteromyidaeeriobotrya japonicaenvoy extraordinaryemployment contractelmer ambrose sperryelement of a cylinderelectronics companyedward bulwer-lyttoneducation secretarydylan marlais thomasdouay-rheims versiondoctor of osteopathydivision cynodontiadivision anthophytadigitalis glycosidedepartment of energydanish monetary unitdame sybil thorndikecytotropic antibodycyrus hall mccormickcyanocitta cristatacrataegus oxycanthacomputer memory unitcommercial activitycolumbia universityclass schizomycetesclass hyalospongiaeclass gastromycetesclass dicotyledonaechromosomal anomalycarrying into actioncarex pseudocyperuscapital of new jerseybook of common prayerboocercus eurycerusbombycilla garrulusbombycilla cedrorunbattle of tewkesburybattle of gettysburgauxiliary operationastronomy satelliteassyrian neo-aramaicaruban monetary unitarthur holly comptonapodemus sylvaticusantipsychotic agentanalysis of varianceamlodipine besylateambystoma mexicanumalytes obstetricansallegheny mountainsalfred lord tennysonalbert szent-gyorgyiagropyron cristatumafghan monetary unitadministrative body5-hydroxytryptaminezero-coupon securityyevgeny yevtushenkoyevgeni yevtushenkoyellowtail flounderyellow-breasted chatyellow pitcher plantyellow lady's slipperyellow cattley guavayellow bristlegrassyellow bristle grassyellow adder's tonguexyphophorus hellerixylomelum pyriformewynnea sparassoideswinter olympic gameswillie howard mays jr.william henry hudsonwilliam henry hooverwestern chokecherrywesleyan methodistswater-milfoil familywankel rotary enginevolumetric analysisveronica chamaedrysvena stylomastoideavalley pocket gophervaledictory speakervaledictory orationvaledictory addressuveoscleral pathwayutility revenue bondupholstery materialuniversity of sussexuniversity of oxfordunderground railwaytyrannus vociferanstypewriter keyboardtype of architecturetuberculoid leprosytrumpet honeysuckletravel purposefullytransmission systemtransfiguration daytoxic shock syndrometoxemia of pregnancytorreya californicatopographic anatomytop fermenting yeasttongan monetary unittime-and-motion studythird battle of ypresthird baron rayleightheory of relativitytheory of indicatorstemporary expedienttelephone directorytaraxacum kok-saghyztall gallberry hollysystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissynanceja verrucosasymplocus tinctoriasymphoricarpos albasydney harbor bridgesupervisory programsuperfamily apoideasubphylum urochordasuborder menotyphlasuborder lipotyphlasuborder alcyonaceasubfamily dorylinaesubfamily acoraceaestorage-battery gridstereophonic systemstenotomus chrysopsstanford universityst. ignatius of loyolaspotsylvania countyspanish oyster plantsouthern yellow pinesolar thermal systemsodium hypochloritesociological theorysocial anthropologysir george trevelyanshrubby st john's wortshort gastric arteryshorea teysmannianashaggymane mushroomsensory deprivationself-employed personsegmentation cavitysecretary of the navysecretary of defensesecondary educationsecondary dentitionscolymus hispanicussaxifraga hypnoidesruby-crowned kingletrocky-mountain maplerocky mountain sheeprocky mountain pinonrobotic telesurgeryrobert mearns yerkesriemannian geometryrespiratory diseaseresearch laboratoryreproductive systemreligious mysticismregression analysisrefrigeration dryerred-green dichromacyrecreation facilityray douglas bradburyrandom-access memoryramsay hunt syndromeradiation pyrometerquercus chrysolepisquantum field theoryquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrophosphoric acidpyrola rotundifoliapyorrhea alveolarispylodictus olivarispurple ground cherrypulmonary emphysemapsychotria capensispsychotherapy grouppsychological stateprumnopitys elegansprophylactic deviceproperty settlementprojective geometryprocyon cancrivorusprocursive epilepsyprefrontal lobotomypotassium hydroxideportal hypertensionporphyrio porphyriopolyunsaturated fatpolystichum brauniipolyporus squamosuspolyporus frondosuspolypodium scouleripolyphosphoric acidpolygonum orientalepolygonum fagopyrumpolyergus rufescensphylum chaetognathaphyllostachys nigraphyllostachys aureaphyllodoce caeruleaphrynosoma cornutumphotogenic epilepsyphonological systemphilippine mahoganyperomyscus eremicuspenstemon rydbergiipenstemon newberryipellitory-of-the-wallparsley-leaved thornparathyroid hormonepalestine authorityoxytropis lambertiioxydendrum arboreumoriental bush cherryorder temnospondyliorder synentognathiorder solenichthyesorder psilophytalesorder polymastiginaorder mycrosporidiaorder endomycetalesorder cypriniformesorder colymbiformesorder actinomyxidiaolfactory sensationold world flycatcherokeechobee waterwaynyctanassa violaceanotoryctus typhlopsnikolai lobachevskynaturally occurringnarrowbody aircraftnarrow-body aircraftn-type semiconductormyosotis scorpiodesmyositis trichinosamyelocytic leukemiamycteroperca bonacimyasthenic syndromemunchausen syndromemuhammad ali of egyptmost valuable playermorrow's honeysucklemorning-glory familymoreton bay chestnutmonocytic leukaemiamonoclonal antibodymilitary commissionmilitary censorshipmikhail baryshnikovmicroscopic anatomymichael gerald tysonmerovingian dynastymercury thermometermeadow-beauty familymathematical symbolmary morse baker eddymarie goeppert mayermaria goeppert-mayermagnetic core memorymagnesium hydroxidemacroscopic anatomylysiloma bahamensislycopodium obscurumlycopodium clavitumlycium halimifoliumlycium carolinianumlycaena hypophlaeaslupus erythematosuslucius dubignon claylouis henry sullivanlip synchronizationlip synchronisationlimnocryptes minimalibyan monetary unitlibyan islamic groupliberation theologyleycesteria formosalepromatous leprosylepiota clypeolarialepidochelys kempiileft coronary arterylearner's dictionarylathyrus latifoliuskurdistan labor parykorsakov's psychosiskorsakoff's syndromeklyuchevskaya sopkakingdom prokaryotaekentucky yellowwoodkentucky wonder beankentucky coffee treekeep one's eyes peeledjohn griffith chaneyjessica lucy mitfordjamaica honeysucklejacksonian epilepsyitalian honeysuckleisopyrum biternatumipomoea leptophyllaion-exchange polymerinteragency supportinorganic chemistryinfraorbital arteryinflationary spiralinferiority complexin your birthday suitin one's birthday suithysterical neurosishypsiglena torquatahypoplastic anaemiahypophosphoric acidhypoglycaemic agenthypochromic anaemiahypo-eutectoid steelhyperfocal distancehyperchromic anemiahyperbolic geometryhynerpeton bassettihygrophorus russulahydroxybutyric acidhydroxybenzoic acidhydropower industryhydromantes shastaehydrokinetic enginehyalophora cecropiahuman palaeontologyheterophil antibodyheterodyne receiverhenry viii of englandhenry oscar houghtonhelicobacter pyloriheavyweight torpedogyromitra esculentagymnadenia conopseaguilt by associationgrouse whortleberrygroup psychotherapygrievous bodily harmgregory of nazianzusgregory of nazianzengreenhouse whiteflygreen monkey diseasegreat yellow gentiangrand duchy of moscowgovernment securitygovernment activitygolden fairy lanterngigacycle per secondgerman monetary unitgeothermal industrygeostationary orbitgeorgiana barrymoregeoffrey of monmouthgenyonemus lineatusgenus tyrannosaurusgenus thysanocarpusgenus strobilomycesgenus pterodactylusgenus platypoecilusgenus mycobacteriumgenus macrodactylusgenus leucocytozoongenus leucocytozoangenus leptotyphlopsgenus leptodactylusgenus ichthyosaurusgenus hyracotheriumgenus hymenophyllumgenus hylactophrynegenus hyacinthoidesgenus gymnocalyciumgenus graptophyllumgenus ginglymostomagenus dactylopterusgenus corythosaurusgenus clethrionomysgenus chrysothamnusgenus chrysophyllumgenus chrysochlorisgenus chrysobalanusgenus chlorophyllumgenus chlamydomonasgenus chilomycterusgenus ceratophyllumgenus campyloneurumgenus calycophyllumgenus aulacorhyncusgenus argyroxiphiumgenus anomalopteryxgenus acanthocybiumgenital personalityfringed poppy mallowfractional currencyfour-wing flying fishflowering raspberryfloat-type rain gaugefirst battle of ypresfirst baron tennysonfirst baron macaulayfine-art photographyfebruary revolutionfamily xenosauridaefamily volvariaceaefamily trombidiidaefamily trionychidaefamily torpedinidaefamily synodontidaefamily symplocaceaefamily stromateidaefamily roridulaceaefamily roccellaceaefamily rhizobiaceaefamily rhiptoglossafamily rhinobatidaefamily relationshipfamily polyporaceaefamily polygonaceaefamily plasmodiidaefamily phalaropidaefamily papilionaceafamily palaemonidaefamily orchestiidaefamily oleandraceaefamily notoryctidaefamily notonectidaefamily nephropsidaefamily mylodontidaefamily myliobatidaefamily musophagidaefamily monodontidaefamily microhylidaefamily megapodiidaefamily macropodidaefamily loxomataceaefamily littorinidaefamily lecanoraceaefamily hypoxidaceaefamily hypocreaceaefamily hydrobatidaefamily holothuridaefamily hemerobiidaefamily haloragaceaefamily goodeniaceaefamily gobiesocidaefamily forficulidaefamily endamoebidaefamily embiotocidaefamily crocodylidaefamily cordaitaceaefamily combretaceaefamily colchicaceaefamily cladoniaceaefamily chironomidaefamily cetorhinidaefamily ceratopsidaefamily cephalobidaefamily cecropiaceaefamily cecidomyidaefamily catostomidaefamily bromeliaceaefamily bradypodidaefamily boraginaceaefamily bignoniaceaefamily aulostomidaefamily argonautidaefamily anomalopidaefamily ambrosiaceaefamily allioniaceaeextra duty allowanceeusebius hieronymuseuropean bird cherryeuonymus americanuseucalyptus rostrataeucalyptus globuluseucalyptus coriaceaeucalyptus camphoraethyl aminobenzoateerythronium albidumerythema multiformeeriophyllum lanatumenergy of activationendothelial myelomaemergency procedureembryonal carcinomaelymus trachycauloselementary geometryelectron microscopyelectrolyte balanceedwin dubois haywarddynamic loudspeakerdusky-footed woodratdusky-footed wood ratdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadry-bulb thermometerdrunk-and-disorderlydrepanocytic anemiadorothy leigh sayersdoctor of philosophydivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadiversionary attackdissociation energydisorderly behaviordiscretionary trustdiplomatic immunitydigital photographydeflationary spiralcytophilic antibodycytisus multifloruscystopteris montanacystophora cristatacyrtomium aculeatumcyrilla racemifloracynoscion nebulosuscynoglossum amabilecyclopes didactyluscryptotermes breviscryptogramma crispacross-country skiingcross-country ridingcountervailing dutycounterbattery firecoryphaena hippuruscoronary thrombosiscordyline australiscoordinate geometryconversion hysteriacomputer technologycomputed tomographycompound morphologycomplementary colorcomplementary closecompetitor analysiscomparative anatomycommon yellowthroatcommon morning glorycommon lady's-slippercommodity brokeragecollective securitycolaptes chrysoidescoelenterate familyclosed-heart surgeryclinical psychologyclaytonia virginicaclassical philologyclassical mythologyclass xanthophyceaeclass pyrenomycetesclass plectomycetesclass hymenomycetesclass ginkgophytinaclass dicotyledonesclass cyanobacteriaclass cryptophyceaeclass chrysophyceaeclass chlorophyceaecirculatory failurechrysophrys auratuschrysolophus pictuschrysobalanus icacocharles henry harrodcharles digby harrodceylon cinnamon treecatalytic convertercarolingian dynastycalifornia sycamorebutterfly collectorbursera microphyllabuchloe dactyloidesbritish labour partybrevoortia tyrannisbradley's spleenwortboy scouts of americabottlebrush buckeyebody plethysmographblackbody radiationblack-body radiationbinge-vomit syndromebinge-purge syndromebicycle-built-for-twobeta blocker eyedropbastardy proceedingbarbados gooseberrybank holding companybachelor of theologybachelor of divinitybabyrousa babyrussababy-boom generationautomobile industryauditory perceptionasterid dicot familyascophyllum nodosumascomycetous fungusarytenoid cartilagearticulatory systemaronia berry liqueurarmy of the righteousapodictic certaintyapocynum cannabinumanticipatory breachanselm of canterburyanomalopteryx owenianalytical geometryamerican pennyroyalamerican labor partyambystoma maculatumaluminium hydroxideafrican green monkeyadmiralty mountainsadlerian psychologyaconitum lycoctonumabnormal psychologyabdominal pregnancy
