18-Letter Words Containing: O,E,R,I,S
(In Any Order)
There are 267 18 letter words,
898 18 letter phrases and
0 18 letter abbr's with
O,E,R,I,S in.
Best Scoring 18 Letter Words With: O,E,R,I,S
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All 18 Letter Words
Words (267)
disproportionatelygastroenterologistinterconnectednessoversimplificationspectrophotometricoverrepresentationhyperaldosteronismneuropsychologicalvideoconferencingsverisimilitudinousvaingloriousnessesunresponsivenessesunprofitablenessesuncompromisingnessultrasophisticatedultraconservativesultraconservatismstriskaidekaphobiastrichloroethylenestriboluminescencestriboelectricitiestransportabilitiesthrombophlebitidesthermoplasticitiesthermoluminescencetheatricalizationssupranationalitiessupersophisticatedsuperminicomputerssupercivilizationssuperciliousnessessuperadministratorsubcategorizationsstoichiometricallystereospecificallystereoregularitiesstereophotographicsphygmomanometriesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimetersoporiferousnessesshortsightednessessemiprofessionallysemiconservativelysatisfactorinessessacrilegiousnessesribonucleoproteinsrevascularizationsrepresentationallyrenationalizationsreinstitutionalizerehospitalizationsredistributionistsrecrystallizationsreconstructionistsreconstructionismsrechromatographiesrambunctiousnessesradiosensitivitiesquattuordecillionsquasiperiodicitiespseudotuberculosispronounceabilitiespraiseworthinessespostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomicrographiesphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessesoverspecializationoverprotectivenessoveroptimisticallyoverindustrializesoverindustrializedoverindebtednessesoverfertilizationsoverextrapolationsoverembellishmentsoverconcentrationsovercommunicationsovercommercializesoverclassificationotherworldlinessesnonrevolutionariesnonrepresentativesnoninterventionistnonfraternizationsnondestructivenessnoncooperationistsnoncomparabilitiesnonarbitrarinessesneurotransmissionsneuropsychologistsneuropsychiatristsneurophysiologistsmultifariousnessesmonochromaticitiesmisrepresentationsmisinterpretationsmineralocorticoidsmicroreproductionsmicroradiographiesmicrophotographiesmicrophotographersmicrometeorologistmicrometeorologiesmicrolepidopterousmicroencapsulationmicroencapsulatingmicrodensitometricmicrodensitometersmicrocalorimetriesmethylprednisolonemeretriciousnessesmelodramatizationsmechanochemistriesmagnetostrictivelymagnetoresistancesmacrophotographiesmacroglobulinemiaslymphangiographieslumpenproletariatslipopolysaccharidelepidopterologistsirresponsivenessesirresponsibilitiesirreproachablenessirreconcilablenessintrospectionisticinterrelationshipsinteroperabilitiesinternationalitiesinternationalisinginterinstitutionalintercolumniationsinharmoniousnessesincorruptibilitiesincorrigiblenessesinconvertibilitiesinconsiderablenessincommensurabilityimpersonalizationsimmunosuppressionsimmunosuppressantsimmunoreactivitiesimmunoprecipitateshypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconsciousnesshyperalimentationshydroxytryptamineshydrometeorologisthydrometeorologieshydrometallurgistshydroelectricitiesgranulocytopoiesisgranulocytopoiesesglottochronologiesgastroenterologiesferroelectricitiesexterritorialitiesexpressionlessnessevapotranspirationelectroretinogramselectrophysiologicelectrophilicitieselectromyographieselectroluminescentelectrodesiccationelectrodepositionselectrochemistrieselectrocardiogramsechocardiographiesechocardiographersdisintermediationsdishonorablenessesdiscourteousnessesdihydroergotaminesdiastereoisomerismdextroamphetaminesdephosphorylationsdepersonalizationsdeoxyribonucleasesdendrochronologistdendrochronologiesdematerializationsdehydrochlorinatesdehydrochlorinasesdedifferentiationsdecriminalizationsdeconstructionistscurmudgeonlinessescreditworthinessescountersuggestionscounterstrategistscounterrevolutionscounterquestioningcounterinstitutioncounterculturalismcounterconventionscounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconversationalistsconstructivenessesconservativenessescongregationalistscongregationalismscomprehensiblenesscompartmentalisingcommercializationscommensurabilitieschlortetracyclinesbureaucratizationsbourgeoisificationbloodthirstinessesbiodegradabilitiesbacteriorhodopsinsaustralopithecinesastrophotographiesarchaeoastronomiesanticommercialismsaerothermodynamicsunsatisfactorinesstriphosphopyridineterritorialisationspectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticsplasmodiophoraceaeovercapitalisationorder-chenopodialesnonprognosticativenoncomprehensivelyneurophysiologicalmucopolysaccharidelacto-vegetarianisminternationalisticimmunofluorescencehypercholesteremiagood-neighborlinessglomerulonephritisdiethylstilbestrolcytoarchitectonicscross-fertilizationcross-fertilisationcorrosion-resistantarteriolosclerosisantiferromagnetismanticholinesteraseadenocarcinomatousPhrases (898)
worldly possessionswoodwind instrumentwisteria floribundavictor frankensteinupton beall sinclairunconscious processtreaty of versaillesto the highest degreethomas wright wallerthird epistle of johnthird epistel of johntheodosius the greattelevision reportertelevision receiversyrian monetary unitsupervisory routinesuperiority complexsulfur hexafluoridesuborder myxinoideisuborder anisopterasir mortimer wheelersir martin frobishersir henry joseph woodsir frederick ashtonsir christopher wrensir arthur john evanssingle-reed woodwindshort-term liabilityshort hundredweightsexual reproductionsetophaga ruticillasergei rachmaninoffsense of equilibriumsecurity consultantsecond cranial nervescottish highlanderscorpio the scorpionrheims-douay versionreturn on investmentrespiratory illnessresearch colloquiumrepublic of surinamerepublic of sloveniarepublic of maldivesrepublic of hondurasreligious residenceproposal of marriageprofessional golferprofessional boxingpriority processingprince-of-wales plumepresident jeffersonposterior pituitarypositive reinforcerportuguese republicpopulus tremuloidespooecetes gramineuspolish monetary unitpolianthes tuberosaparkinson's syndromep-type semiconductoroscar hammerstein iiorder trogoniformesorder sauropterygiaorder sarracenialesorder sarcosporidiaorder passeriformesorder ichthyosauriaorder eubacterialesorder columbiformesorder ciconiiformeson an irregular basisoenothera fruticosanicolaus copernicusnewspaper columnistneuropterous insectnephrops norvegicusnational censorshipmusical performancemusculus temporalismusculospiral nervemoschus moschiferusmorchella crassipesminor tranquilliserminister of religionmethotrexate sodiummeleagris gallopavomeconopsis cambricamaterial possessionmaster of literaturemanganese tetroxidelouis-hector berliozlinguistic relationlighthorse harry leelepomis macrochiruslachrymal secretionkilocycle per secondkeyboard instrumentjons jakob berzeliusjoel chandler harrisjames whitcomb rileyirvingia gabonensisinternational scaleinstallation chargehypertonic solutionhouses of parliamenthistorical documentherpestes ichneumonhenry norris russellheat of vaporisationhealth professionalgustatory sensationgreen mountain stategovernment ministergossypium herbaceumgeorge westinghousegeorge simon kaufmangenus struthiomimusgenus recurvirostragenus dimorphothecafunctional disorderfricative consonantfreudian psychologyfirst epistle of johnfederation of tribesfamily scorpaenidaeexpressed almond oileusebius of caesareaerinaceus europaeuserigeron canadensisendorsement in blankelectronics companyelectronic databaseelectron microscopeeducation secretaryedgar rice burroughsduck-billed dinosaurdouay-rheims versiondivision eubacteriadisreputable persondisagreeable persondirect transmissiondiplomatic ministerdanish monetary unitdame sybil thorndikecrotalus mitchelliiconstruction workerconservation of masscompression bandagecommon american shadcommissaire maigretcolumbia universitycollapsible shelterchristopher marlowechemical operationscharles follen mckimceremonial occasioncerebrospinal fevercause to be perceivedcapital of new jerseyblue ridge mountainsblood extravasationbiological researchbaron georges cuvierauthoritarian stateaugsburg confessionattestation serviceastronomy satelliteassyrian neo-aramaicascension of the lordartemisia filifoliaantineoplastic druganisette de bordeauxandrew dickson whiteanamnestic reactionanalysis of variancealytes obstetricansalfred louis kroeberalexander i of russiaalbert szent-gyorgyiair-to-ground missileagnes george de milleadministrative bodyacoustic gramophoneaccordance of rightszero-coupon securityyellow lady's slipperyellow bristlegrassyellow bristle grassxyphophorus helleriwynnea sparassoideswrit of habeas corpuswoolsorter's diseasewinter olympic gameswilson cloud chamberwillie howard mays jr.william henry hudsonwhorled loosestrifewhole life insurancewhite slime mushroomwhite fringed orchiswestern roman empirewestern ribbon snakewestern mountain ashwestern diamondbackweather forecastingwandering albatrossvolumetric analysisvinegar joe stilwellvespula maculifronsvespertilio murinusveronica chamaedrysvermillion rockfishvena supraorbitalisvascular prosthesisvascular hemophiliavaranus komodoensisvaledictory speakervaledictory addressvaccinia gangrenosauropsilus soricipesupper carboniferousupholstery materialuniversity of sussexuniversity of oxfordunited states dollarunipolar depressionumbelliferous planttyrannus vociferanstussock caterpillartuberculoid leprosytrusteeship counciltropical rain foresttrisodium phosphatetrichostema lanatumtremella fuciformistransmission systemtransitive verb formtransfer of trainingtragelaphus buxtonitoxic shock syndrometop fermenting yeastthreshold operationthomas stearns eliotthirst for knowledgethird battle of ypresthermosetting resinthermoplastic resinthermobia domesticathermionic emissiontheory of indicatorstheodor seuss geiselthe great starvationthalamostriate veintextual scholarshipteucrium scorodoniaterritorial reservetaraktogenos kurziitaraktagenos kurziisystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissydney harbor bridgeswiss confederationsweet-potato ring rotsurvivors insurancesurjective functionsupratrochlear veinsupra expressionismsupervisory programsuperior labial veinsuperior colliculussuperfamily apoideasuperannuation fundsuborder tarsioideasuborder ruminantiasuborder pinnipediasuborder odontocetisuborder mugiloideasuborder lipotyphlasuborder lemuroideasuborder lacertiliasuborder ceratopsiasubfamily dorylinaesubfamily acoraceaestructural genomicsstriped button quailstress incontinencestreptopelia turturstraight-line methodstorage-battery gridstochastic variablestereoscopic visionstereophonic systemstellar associationsteganopus tricolorstations of the crossstanford universityst. christopher-nevissporobolus poiretiispirit of turpentinespanish oyster plantsouthern yellow pinesouthern white cedarsouthern maidenhairsouthern hemispheresouthern bog lemmingsonora semiannulatasolomon r. guggenheimsolar magnetic fieldsolanum commersoniisolanum carolinensesodium hypochloritesociological theorysnowdrop windflowersmoking compartmentsmall cell carcinomasir john carew ecclessir george trevelyansir ernst boris chainsir alfred hitchcocksingle-furrow ploughsilver-leaved poplarsilver quandong treesignal-to-noise ratioside-blotched lizardsidalcea malviflorasiberian wall flowershort saphenous veinshort gastric arteryshorea teysmannianasexual relationshipsex-change operationserratula tinctoriasensory deprivationsensorimotor regionseminiferous tubulesemiconductor diodesecondary educationsecondary dentitionsecobarbital sodiumscleroderma bovistasaxifraga hypnoidessaratoga spittlebugsarah kemble siddonssao tome and principesample distributionsalicornia europaeasaint teresa of avilasailor's breastplatesacrifice operationround-tailed muskratronald wilson reaganrocky mountain sheeprobotic telesurgeryrobert james fischerrobert bruce mathiasrichard john robertsrhus toxicodenedronrhodesian ridgebackrhodanthe manglesiirhizopus stoloniferrhizomatous begoniarhizoctinia diseaserhetorical questionrevaluation reserveretarded depressionrespiratory diseaserepulsorlift enginerepublic of the sudanrepublic of botswanareproductive systemreligious mysticismrelative atomic massrelational databaseregular icosahedronregular convex solidregression equationregression analysisregistration numberregional anesthesiareductio ad absurdumred river of the southreal-time processingreactive depressionreaction propulsionrachel louise carsonquercus chrysolepisquadriphonic systemquadraphonic systempyorrhea alveolarispus-forming bacteriapurple-hooded orchispurple virgin's bowerpublic relations manpublic presentationpterocarpus indicuspsychotria capensispsocopterous insectprumnopitys elegansprospero lambertiniprosecuting officerproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocursive epilepsyprince-of-wales'-heathprince of wales heathpresident rooseveltpresident john adamspresent progressiveprehistoric cultureprairie golden asterpower-station workerpotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispusportal hypertensionporcupine provisionpopulus balsamiferapolypodium scouleripolice headquarterspolice commissionerpodiceps ruficollispneumogastric nerveplumed scorpionfishplatanus orientalisplatanus acerifoliaplains pocket gopherplains lemon monardapinnotheres ostreumpine-barren sandwortpierre-simon laplacephragmites communisphaseolus angularispezophaps solitariapetroleum geologistpersonal credit lineperomyscus eremicusperiodontal diseasepeperomia sandersiipenstemon rydbergiipenstemon newberryipembroke welsh corgipedestrian crossingpaul bustill robesonparochetus communisparascalops breweriparallel processingpaprilus alepidotuspancreatic fibrosispalestine authoritypalace of versaillesoxytropis lambertiiorthopterous insectoriental bush cherryoreamnos americanusorder ustilaginalesorder temnospondyliorder synentognathiorder stegocephaliaorder solenichthyesorder rickettsialesorder psilophytalesorder polymastiginaorder plumbaginalesorder plantaginalesorder mycrosporidiaorder marchantialesorder haplosporidiaorder haemosporidiaorder falconiformesorder cypriniformesorder coraciiformesorder colymbiformesorder bennettitalesorder aspergillalesoperations researchoperating statementolfactory sensationold frisian languageobservation stationnucleolus organizernucleolus organisernucleolar organisernuclear-powered shipnorthern hemispherenorth celestial polenormative economicsnonvolatile storagenonreligious personnon-volatile storagenon-christian priestnicolaus zinzendorfnicolas malebrancheneurotic depressionnervous prostrationnasogastric feedingn-type semiconductormyosotis scorpiodesmyasthenic syndromemusculus teres minormusculus pectoralismusculophrenic veinmultiple regressionmountain watercressmountain spleenwortmountain fetterbushmother-in-law's tonguemontia lamprospermamolecular biologistmissouri compromiseminor diatonic scalemineral associationminato ohashi bridgemilitary censorshipmicroprocessor chipmichael stuart brownmichael gerald tysonmetaphosphoric acidmerovingian dynastymeriones longifronsmelospiza georgianamaster of ceremoniesmarsilea drummondiimarriage counselingmarquis de condorcetmarble bones diseasemajor tranquillisermajor diatonic scalemagnesium hydroxidemagnesium carbonatemachine translationlower carboniferouslouis the quarrellerlouis henry sullivanlouis henri sullivanlonicera canadensislong-term investmentlong-distance runnerlitocranius wallerilimnodromus griseuslimnocryptes minimaleycesteria formosaleptopteris superbaleontocebus rosalialearner's dictionaryleaning tower of pisale douanier rousseaulate-spring-bloominglaportea canadensislactose intolerancelactarius deliciosokeratosis nigricanskammon strait bridgekalashnikov culturejudicial separationjudgment in personamjohn joseph pershingjohn ernst steinbeckjohn birks gillespiejessica lucy mitfordjerusalem artichokejean francois milletjames francis thorpejames butler hickockisopyrum biternatumislets of langerhansiron-storage diseaseipomoea orizabensisintravenous feedinginternal combustionintermediate shroudinterfacial tensioninteragency supportinsider informationinorganic phosphateinorganic chemistryinformer's privilegeinformation scienceinformation measureinferior colliculusinductive reasoningindirect expressionin one's birthday suitidiopathic disorderidiographic sciencehysterical neurosishypsiglena torquatahyperfocal distancehynerpeton bassettihydropower industryhorseshoe whipsnakehonorable dischargeholocentrus bullisiheterotheca villosahesperis matronalishelleborus foetidushalicoeres radiatushaemorrhagic strokehaematobia irritansgyromitra esculentagrindelia squarrosagrievous bodily harmgregory of nazianzusgregorian telescopegreenhouse whiteflygreenhouse emissiongreen monkey diseasegreen fringed orchisgreat saphenous veingraduation exercisegradable oppositiongovernment securitygoods and service taxglorious revolutiongilles de la tourettegigacycle per secondgiannangelo braschigeothermal industrygeostationary orbitgenus zinjanthropusgenus trichoglossusgenus trichodesmiumgenus toxicodendrongenus strobilomycesgenus stephanomeriagenus scolopendriumgenus schizophragmagenus rhinonicterisgenus pseudowinteragenus pleurothallisgenus pleurobrachiagenus paracheirodongenus mycobacteriumgenus micropogoniasgenus microdipodopsgenus lagerstroemiagenus ichthyosaurusgenus ibero-mesornisgenus hyracotheriumgenus halimodendrongenus gomphotheriumgenus gasterophilusgenus dicranopterisgenus cnemidophorusgenus clethrionomysgenus chrysochlorisgenus chorizagrotisgenus chirocephalusgenus chilomycterusgenus cercopithecusgenus ceratotheriumgenus centropristisgenus cardiospermumgenus calamagrostisgenus argyroxiphiumgenus archidiskidongenus agrobacteriumgenus actiniopterisgenital personalitygastroepiploic veingastrocolic omentumfuchsia excorticatafrontier settlementfringed loosestrifefranklin d. rooseveltfrancois mitterrandfragaria chiloensisforegone conclusionfluorescent fixtureflowering raspberryflorida selaginellafirst earl of chathamfirst battle of ypresfirst baron tennysonfinno-ugric-speakingfemale circumcisionfavourable positionfast of the firstbornfamily xenosauridaefamily stromateidaefamily relationshipfamily orchestiidaefamily nephropsidaefamily ceratopsidaefamily ambrosiaceaefairness commissionexclusion principleeusebius hieronymuseuropean wolf spidereuropean spider crabeuonymus americanuseuclid's fourth axiomeucalyptus coriaceaeuarctos americanusestrogen antagonistesther hobart morriserigeron pulchelluseptesicus serotinusepistle to the romansepacris obtusifoliaenglish hippocratesendowment insuranceelectrostatic fieldelectron microscopyelectric toothbrushelaeocarpus grandiseichhornia spesiosaedwin dubois haywardedgar douglas adrianecclesiastical robeeastern roman empireeastern indigo snakeeastern fox squirreleastern cricket frogeastern catholicismeast indian rosewooddynamic loudspeakerdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadrunk-and-disorderlydouble-breasted suitdorsal scapular veindorothy leigh sayersdoctor of humanitiesdivine right of kingsdiversionary attackdissociation energydisorderly behaviordiscretionary trustdirector of researchdioscorea bulbiferadesmodium tortuosumdesmodium purpureumdepressive disorderdental orthopaedicsdelusional disorderdeflationary spiraldeep supporting firedeductive reasoningde facto segregationcystopteris montanacupressus govenianacupressus arizonicacryptotermes breviscrucifixion of jesuscrisis interventioncriminal possessioncreeping wood sorrelcrataegus apiifoliacourt of saint james'scotoneaster dammericoryphaena hippuruscortaderia selloanacorrosive sublimatecorporal punishmentcoronavirus diseasecornelius janseniuscoreopsis tinctoriacordyline australiscordia gerascanthuscoptis groenlandicaconversion reactionconversion hysteriaconversion disordercontract of adhesioncontinuing trespassconsumer price indexconstructive breachconnarus guianensiscongenital disorderconflict of interestconfederate soldierconfederate jasminecomputer simulationcompound microscopecomplex prepositioncompetitor analysiscompatible softwarecommon lady's-slippercoluber hippocrepiscoluber constrictorcollege of cardinalscollective securitycolaptes chrysoidescoeloglossum viridecnemidophorus veloxclinical depressionclematis versicolorclematis ochreleucaclass holothuroideaclass cyanobacteriaclass coniferopsidacitroncirus webbericirsium lanceolatumcirsium helenioidescimicifuga racemosachristian schonbeincholesterosis cutischinese scholartreechinese scholar treechinese parasol treechinese forget-me-notchelifer cancroidescharles william postcharles vii of francecharles ii of englandcharles digby harrodcerebrospinal fluidcerebral thrombosiscercis occidentalisceratotherium simumceratostomella ulmicecil scott forestercatherine i of russiacastilleja chromosacastanea ozarkensiscardigan welsh corgicardamine douglasiicapital of singaporecamelus dromedariuscalostoma raveneliicalifornia sycamorecalifornia allspicebursera microphyllaburhinus oedicnemusbubalus mindorensisbrush-tail porcupinebronchoscopic smearbrevoortia tyrannisbreech presentationboy scouts of americabouvier des flandresbone-headed dinosaurbocconia frutescensblissus leucopterusbird-footed dinosaurbinge-vomit syndromebinge-purge syndromebidens trichospermabernese mountain dogbattle of austerlitzbastardy proceedingbasal metabolic ratebartolomeo eustachibarometric pressurebarbados maidenhairbarack hussein obamaautomobile industryautoimmune disorderasterid dicot familyassociate professorassociate in nursingassistant professorasian tiger mosquitoasian horseshoe crabarticulatory systemarterial blood gasesarteria ethmoidalisarteria communicansartemisia abrotanumarnold lucius gesellarmy of the righteousaristotelia serrataarisaema dracontiumarisaema atrorubensarches national parkapothecaries' weightanterograde amnesiaanolis carolinensisanoa depressicornisannona diversifoliaanion-exchange resinanamnestic responsealveolar resorptionalsophila pometariaallium ampeloprasumaleurites moluccanaaleksandr pavlovichagitated depressionaffricate consonantaegilops triuncalisadlerian psychologyacute brain disorderacoustic resistanceacoustic projectionacentric chromosomeacellular slime moldaccounts receivableabsorption spectrum
