18-Letter Words Containing: O,R,O,I
(In Any Order)
There are 226 18 letter words,
742 18 letter phrases and
0 18 letter abbr's with
O,R,O,I in.
Best Scoring 18 Letter Words With: O,R,O,I
| 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 (226)
disproportionatelyanthropomorphizinggastroenterologisttransmogrificationoversimplificationspectrophotometricoverrepresentationhyperaldosteronismneuropsychologicalvideoconferencingsvaingloriousnessesuncompromisingnessultrarevolutionaryultramicroscopicaltrichloroethylenestransistorizationstransformationallythrombophlebitidessubmicroscopicallysubcategorizationsstoichiometricallystereophotographicsphygmomanometriesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimetersoporiferousnessessemiprofessionallyroentgenologicallyribonucleoproteinsrenationalizationsrehospitalizationsreconstructionistsreconstructionismsrechromatographingrechromatographiesradiochromatogramsquattuordecillionspsychobiographicalpseudotuberculosisprovincializationspronounceabilitiesproletarianizationpolyribonucleotidepolyesterificationpolychromatophilicpolychromatophiliapolyacrylonitrilesphotoreproductionsphotoreactivationsphotomorphogenesisphotomicrographiesphotolithographingphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasesphonocardiographicovolactovegetarianoverspecializationoverprotectivenessoveroptimisticallyoveridentificationovergeneralizationoverfertilizationsoverextrapolationsoverconcentrationsovercommunicationsovercommercializesovercommercializedoverclassificationovercentralizationotherworldlinessesoscillographicallyorthopsychiatristsorthogonalizationsnonrevolutionariesnoninterventionistnonfraternizationsnondiscriminationsnoncooperationistsnonconfrontationalnoncomparabilitiesnonanthropologistsnonanthropologicalneurotransmissionsneuropsychologistsneurophysiologistsneuropharmacologicneuroendocrinologymyeloproliferativemonochromaticitiesmineralocorticoidsmicroreproductionsmicroradiographiesmicrophotographiesmicrophotographersmicropaleontologicmicromorphologicalmicrometeorologistmicrometeorologiesmicromanipulationsmicrolepidopterousmicroenvironmentalmicroencapsulationmicrodensitometricmicrodensitometersmicrocalorimetriesmethylprednisolonemelodramatizationsmacrophotographiesmacroglobulinemiaslipopolysaccharidelepidopterologistslepidopterologicalintrospectionisticintercolumniationsinharmoniousnessesimpersonalizationsimmunosuppressionshyperpolarizationshyperconsciousnesshyperconcentrationhydrometeorologisthydrometeorologiesgranulocytopoiesisgranulocytopoiesesglottochronologiesgeochronologicallygastroenterologiesfractionalizationsevapotranspirationelectroretinographelectroretinogramselectrophysiologicelectromyographieselectrodesiccationelectrodepositionselectrocorticogramelectrocardiogramsechocardiographiesechocardiographersdisproportionationdisproportionatingdishonorablenessesdiscourteousnessesdihydroergotaminesdiastereoisomerismdephosphorylationsdepersonalizationsdeoxyribonucleasesdendrochronologistdendrochronologiesdehydrochlorinatesdehydrochlorinateddehydrochlorinasesdeconstructionistscountersuggestionscounterrevolutionscounterretaliationcounterquestioningcounterprogrammingcounterpetitioningcounterinstitutioncountereducationalcounterconventionscounteraggressionscounteradaptationscounteraccusationsconversationalistscontradistinctionscongregationalistscongregationalismscommercializationsclaustrophobicallychromolithographicchromolithographerchromolithographedbourgeoisificationbloodthirstinessesbiotransformationsbacteriorhodopsinsautobiographicallyastrophotographiesarchaeoastronomiesangiocardiographicaerothermodynamicstriphosphopyridinetetraiodothyronineterritorializationterritorialisationrhinolaryngologistradiocommunicationpteridospermopsidapolypropenonitrileplasmodiophoraceaeoxidation-reductionoverinterpretationovercapitalizationovercapitalisationorder-chenopodialesnonprognosticativenoncomprehensivelynitrochloromethaneneurophysiologicalmuscivora-forficatamucopolysaccharideintercommunicationimmunofluorescencehypoparathyroidismhydroxychloroquinegood-neighborlinessglomerulonephritisfibrocartilaginouselectrocardiographcytoarchitectonicscross-fertilizationcross-fertilisationcounterreformationcorrosion-resistantcherbourg-octevilleballistocardiogramarteriolosclerosisanthropocentricityadenocarcinomatousPhrases (742)
worldly possessionswoodwind instrumentvictory in europe dayvictory celebrationunconscious processtypographical errorturnip-rooted celerytuamotu archipelagotichodroma muriariathyrotropic hormonethird epistle of johnthird epistel of johntheoretical accounttheodosius the greattheodore dwight weldtelevision reportersupervisory routinesuperiority complexsuborder myxinoideisuborder anisopterasocial organizationsocial organisationsir henry joseph woodsingle-reed woodwindsexual reproductionscorpio the scorpionsamolus parviflorusrheims-douay versionrevolutionary groupresearch colloquiumrepublic of the congorepublic of sloveniarepublic of hondurasrepublic of djiboutireproductive memoryrelaxation behaviorrefrigerator cookieread-only memory chipprotective coveringproposal of marriageprofessional golferprofessional boxingprivate corporationpriority processingpreconceived notionposterior pituitarypositive reinforcerpopulus tremuloidespooecetes gramineuspolitically correctpolish monetary unitpolianthes tuberosapinicola enucleatorpiano transcriptionparkinson's syndromep-type semiconductorostrya carpinifoliaorthotomus sutoriusorder trogoniformesorder sauropterygiaorder sarcosporidiaorder passeriformesorder ichthyosauriaorder columbiformesorder ciconiiformesoperating procedureoenothera fruticosaoccupational hazardnicolaus copernicusneuropterous insectnephrops norvegicusnational censorshipnarcotic antagonistmoschus moschiferusmolar concentrationmolal concentrationminister of religionmethotrexate sodiummercator projectionmeleagris gallopavomeconopsis cambricamaterial possessionmarianne craig mooremacrozamia communislouis-hector berliozlepomis macrochiruskilocycle per secondjons jakob berzeliusjohn pierpont morganjean-frederic joliotinterior decorationinterior decoratingindian rhododendronideological barrierhypostasis of christhypertonic solutionhouses of parliamenthistorical documentheat of vaporizationheat of vaporisationhealth professionalhablot knight brownegustatory sensationgravitational forcegian lorenzo berninigeorge westinghousegeorge simon kaufmangeorge michael cohangeographical regiongenus dimorphothecagallinula chloropusfunctional disorderfricative consonantfreudian psychologyfrancis ford coppolafortunella japonicafirst epistle of johnfederation of tribesfavorable receptionexpressed almond oileriobotrya japonicaenvoy extraordinaryemperor napoleon iiielectronics companyelectron microscopeelectromotive forcedouay-rheims versiondonato di betto bardidmitri shostakovichdistributor housingdietrich bonhoeffercytotropic antibodycorporate executiveconstruction workerconservation of masscomputer memory unitcomptonia peregrinacompression bandagecommon american shadcommercial documentchristopher marlowechemical operationsceremonial occasioncarrying into actioncalifornia white oakbook of instructionsbombycilla cedrorunblood extravasationbiological researchbignonia capreolatabernardo bertoluccibaron georges cuvierbachelor of medicineauxiliary operationaugsburg confessionastronomy satelliteascension of the lordartocarpus communisartistic productionanterior fontanelleandropogon gerardiiandromeda polifoliaandrija mohorovicicamerican revolutionalgorithmic programalfred louis kroeberair-to-ground missileagropyron cristatumacoustic gramophoneaccordance of rightszero-coupon securityyellowtail flounderxyphophorus hellerixylomelum pyriformewrit of habeas corpusworld tamil movementwoolsorter's diseasewilson cloud chamberwilliam henry hooverwhorled loosestrifewhite slime mushroomvocational trainingvermillion rockfishvaranus komodoensisvaledictory orationuterine contractionuropsilus soricipesupper carboniferousuniversity of oxfordunipolar depressionuniocular dichromattuberculoid leprosytropical rain foresttrogium pulsatoriumtrisodium phosphatetrimorphodon lambdatricholoma venenatatricholoma vaccinumtricholoma pardinumtrend extrapolationtrailing four o'clocktrade union movementtoxic shock syndrometoxemia of pregnancytotalitation regimetorreya californicatopographic anatomytongan monetary unittobacco mosaic virustiarella cordifoliathujopsis dolobratathreshold operationthreatened abortionthoroughbred racingthomas stearns eliotthomas gainsboroughthirst for knowledgethermobia domesticathermionic emissiontheory of relativitytheory of indicatorstheodor seuss geiselthamnophis proximusteucrium scorodoniatelephone directorytectaria macrodontataxodium mucronatumtaraktogenos kurziitactual explorationsystem of numerationsynaptomys borealissymplocus tinctoriasymphoricarpos albaswiss confederationsweet-potato ring rotsupervisory programsuperior colliculussuborder tarsioideasuborder odontocetisuborder mugiloideasuborder lipotyphlasuborder lemuroideasuborder ceratopsiastereoscopic visionstereophonic systemstellar associationsteganopus tricolorstations of the crossstarvation acidosissporobolus poiretiisouthern yellow pinesouthern bog lemmingsonora semiannulatasolomon r. guggenheimsolanum commersoniisolanum carolinensesodium hypochloritesociological theorysocial anthropologysnowdrop windflowersmoking compartmentsmilax rotundifoliasingle-furrow ploughsignal-to-noise ratioshortia galacifoliashort saphenous veinsex-change operationsensory deprivationsensorimotor regionsemiconductor diodesecondary educationsecondary dentitionsecobarbital sodiumscopolia carniolicascleroderma bovistasao tome and principesamolus floribundussalicornia europaeasacrifice operationronald wilson reaganrocky-mountain maplerocky mountain sheeprocky mountain pinonrockingham podocarprobotic telesurgeryrichard john robertsrichard coeur de lionrhus toxicodenedronrhododendron maximarhizopus stoloniferrhizomatous begoniarhetorical questionreticular formationrepublic of colombiarepublic of cameroonrepublic of botswanareinforced concreteregular icosahedronregular convex solidregression equationred river of the southrecombinant proteinreaction propulsionrate of depreciationradiation pyrometerrachel louise carsonpyrophosphoric acidpyrola rotundifoliapyorrhea alveolarispylodictus olivarispurple-hooded orchispsocopterous insectprotozoal infectionprospero lambertiniprosopis juliifloraprosopis glandulosaprosecuting officerpropositional logicproportional samplepromotional expenseprojective geometryprofessional tennisprofessional personprofessional dancerprocyon cancrivorusprobiotic bacteriumprionotus carolinuspresident rooseveltpower-station workerpower of appointmentpotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispusportal hypertensionporphyrio porphyrioporcupine provisionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolypodium scouleripolyphosphoric acidpolygonum orientalepolitical commissarpolice commissionerpolaroid land camerapodiceps ruficollisplumed scorpionfishplatalea leucorodiaplains pocket gopherplains lemon monardapinnotheres ostreumphotographic camerapezophaps solitariapetroleum geologistperiodontal diseasepembroke welsh corgipellitory-of-the-wallpaumotu archipelagopaul bustill robesonpartial correlationparochetus communisparkinsonia floridaparathyroid hormoneparathion poisoningparabolic reflectoroxytropis lambertiioutput-to-input ratioorthopterous insectorthochromatic filmornithopod dinosauroriental arborvitaeoreamnos americanusorder temnospondyliorder synentognathiorder stegocephaliaorder solenichthyesorder psilophytalesorder polymastiginaorder mycrosporidiaorder haplosporidiaorder haemosporidiaorder falconiformesorder cypriniformesorder coraciiformesorder colymbiformesorder actinomyxidiaoperations researchonopordum acanthiumonopordon acanthiumolfactory sensationobservation stationnucleolus organizernucleolus organisernucleolar organizernucleolar organisernorthern bog lemmingnorth celestial polenormative economicsnormal distributionnonvolatile storagenonreligious personnonmalignant tumournon-volatile storagenicolaus zinzendorfnicholas ii of russianewtonian reflectorneurotic depressionnetwork programmingnervous prostrationnarrowbody aircraftnarrow-body aircraftnail-tailed kangaroon-type semiconductormyosotis scorpiodesmyositis trichinosamycteroperca bonacimultiplex operationmultiple-furrow plowmountain spleenwortmountain four o'clockmother-in-law's tonguemorning-glory familymontia lamprospermamomordica charantiamomordica balsaminamolecular biologistmissouri compromiseminor diatonic scalemineral associationminato ohashi bridgemilitary commissionmicroscopic anatomymicroprocessor chipmicrohoning machinemetaphosphoric acidmeriones longifronsmentha rotundifoliamelospiza georgianamatricaria inodorummaster of ceremoniesmarquis de condorcetmalice aforethoughtmalacosoma disstriamajor diatonic scalemagnetomotive forcemagnetic core memorymacroscopic anatomylycopodium obscurumluteinizing hormonelucretia coffin mottlower carboniferouslow-level formattinglord high chancellorlocomotive engineerlip synchronizationlip synchronisationlimnodromus griseuslightning conductorlieutenant governorliberation theologyleycesteria formosalepiota rubrotinctalepiota clypeolarialeontocebus rosalialeaning tower of pisale douanier rousseaulate-spring-bloominglactose intolerancelactarius deliciosokorsakov's psychosiskingdom protoctistakingdom prokaryotaejunction transistorjuan carlos i of spainjordanella floridaejohn joseph pershingjohn barrington wainjatropha stimulosusj. robert oppenheimeriron-storage diseaseiridoprocne bicoloripratropium bromideipomoea orizabensision-exchange polymerinterrogation pointinternal combustioninsider informationinorganic phosphateinformation warfareinformation scienceinformation measureinferiority complexinferior colliculusindicator electrodeincomplete abortionidiopathic disorderhypophosphoric acidhypochromic anaemiahyperbolic geometryhydroxybenzoic acidhydropower industryhyalophora cecropiahottentot bread vinehorseshoe whipsnakehorizontal parallaxhooded pitcher planthonorable dischargeholocentrus bullisihohenzollern empireheterotheca villosaheterophil antibodyhelleborus foetidushelicobacter pyloriheavyweight torpedohaemorrhagic strokegroup participationgrievous bodily harmgregory of nazianzusgregory of nazianzengregorian telescopegreenhouse emissiongradable oppositiongoods and service taxgolden wonder milletgold-crowned kingletglorious revolutionglobal organizationgirolamo savonarolagiant potato creepergeostationary orbitgeorgiana barrymoregenus trichoglossusgenus toxicodendrongenus strobilomycesgenus scolopendriumgenus paracheirodongenus micropogoniasgenus microdipodopsgenus ibero-mesornisgenus halimodendrongenus gomphotheriumgenus cnemidophorusgenus clethrionomysgenus chrysochlorisgenus chorizagrotisgastroepiploic veingastrocolic omentumfront-porch campaignfringed poppy mallowfringed loosestrifefranklin d. rooseveltforward transactionforegone conclusionflorida smoothhoundfirst baron tennysonfine-art photographyfebruary revolutionfavourable positionfast of the firstbornfamily rhiptoglossafamily polyporaceaefamily notoryctidaefamily macropodidaefamily holothuridaefamily crocodylidaefamily chironomidaefairness commissionexothermic reactionexophthalmic goiterexocentric compoundeuropean wolf spidereuphorbia corollataeuclid's fourth axiomestrogen antagonistesther hobart morrisepistle to the romansepacris obtusifoliaenergy of activationembryonal carcinomaelectronic computerelectron microscopyelectric toothbrushelectric locomotiveelectric automobileeleanor of aquitaineeichhornia spesiosaedwin of northumbriaeducational programeast indian rosewooddryopteris goldianadramatic productiondorothy leigh sayersdoctor of philosophydoctor of humanitiesdivision rhodophytadistrict of columbiadissociation energydisorderly behaviordirector of researchdioscorea bulbiferadigital photographydesmodium tortuosumdental orthopaedicsdelusional disorderde facto segregationcystopteris montanacystophora cristatacultural revolutioncrucifixion of jesuscross-country skiingcross-country ridingcronartium ribicolacrocodilian reptilecriminal possessioncreeping wood sorrelcourt of saint james'scounter reformationcotoneaster dammericorticospinal tractcortaderia selloanacorrosive sublimatecorporal punishmentcoronavirus diseasecoronary thrombosiscoreopsis tinctoriacoptis groenlandicacoordinate geometryconvolution of brocaconversion reactionconversion hysteriaconversion disordercontract of adhesioncontopus sordiduluscontagious abortioncongenital disorderconflict of interestconfederate soldiercone friction clutchcomputer simulationcomputer programingcompound microscopecomplex prepositioncompetitor analysiscompatible softwarecomparative anatomycommon unicorn plantcommon pitcher plantcommon morning glorycommon lady's-slippercommon cardinal veincommodity brokeragecommittal to writingcoluber hippocrepiscoluber constrictorcollege of cardinalscolaptes chrysoidescognitive operationcoeloglossum viridecnemidophorus veloxclinopodium vulgareclematis versicolorclass holothuroideaclass coniferopsidacinnamomum camphoracinchona cordifoliachrysolophus pictuschrysobalanus icacochoriotis australischolesterosis cutischinese forget-me-notchattahoochee riverchairman of the boardceylon cinnamon treecerro del nacimientocerebral thrombosisceratostomella ulmicecil scott forestercastilleja chromosacardioid microphonecaranx bartholomaeicapital of singaporecapital of san marinocapital of costa ricacalostoma raveneliicalifornia sycamorecalifornia box eldercalifornia black oakcabomba carolinianabronchoscopic smearbronchial pneumoniabroadcasting studiobrevoortia tyrannisboy scouts of americabottom fermentationbone-headed dinosaurboeuf bourguignonnebocconia frutescensblackbody radiationblack-body radiationbirth control devicebird-footed dinosaurbinge-vomit syndromebillion-dollar grassbicycle-built-for-twobernese mountain dogbartolomeo vanzettibartolomeo prignanobartolomeo eustachibachelor of divinitybaby-boom generationautomotive engineerautomobile industryautoimmune disorderauditory perceptionastroloma humifusumassociate professorassistant professorasian tiger mosquitoasian horseshoe crabarterial blood gasesarmy of the righteousaristolochia durioraristarchus of samosapplication programapatetic colorationantonio da correggioanomalopteryx owenianolis carolinensisanoa depressicornisannona diversifoliaangoumois grain mothamorpha californicaalveolar resorptionalsophila pometariaagrimonia eupatoriaaffricate consonantadlerian psychologyacoustic projectionacoustic absorptionacentric chromosomeabsorption spectrum
