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18-Letter Words Containing: O,C,T,A

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There are 229 18 letter words, 896 18 letter phrases and 0 18 letter abbr's with O,C,T,A in.

Best Scoring 18 Letter Words With: O,C,T,A

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Words (229)
telecommunicationsinconsequentialityhypercoagulabilitycompartmentalizingtransmogrificationoversimplificationantivivisectionistpsychopathologicalpaleoclimatologistunaccountabilitiesultrasophisticatedultramicroscopicalultraconservativesultraconservatismsthermoplasticitiestheatricalizationstachistoscopicallysupersophisticatedsuperconglomeratessupercivilizationssubclassificationssubcategorizationsstructuralizationsstoichiometricallystereospecificallystereophotographicspectroheliographyspectroheliographssomnambulisticallysemidomesticationssemiconservativelysedimentologicallysatisfactorinessesroentgenologicallyrhabdomyosarcomatarevascularizationsrecrystallizationsrechromatographingrechromatographiesrambunctiousnessesradiochromatogramsquattuordecillionsquasiperiodicitiesquantificationallypsychopathologistspsychoanalyticallypseudoparenchymataprovincializationspropagandisticallypronounceabilitiespostpsychoanalyticpolyesterificationpolychromatophilicpolychromatophiliapolyacrylonitrilesphysiopathologicalphotosyntheticallyphotoreactivationsphotomicrographiesphotodissociationsphosphoglucomutasepheochromocytomatapertinaciousnessespentachlorophenolspathophysiologicalparticularizationspaleoclimatologiesovolactovegetarianoverspecializationoveroptimisticallyoveridentificationoverconcentrationsovercommunicationsoverclassificationovercentralizationorthopsychiatristsophthalmologicallynondiscriminationsnoncooperationistsnonconfrontationalnoncomparabilitiesnoncommutativitiesnonanthropologicalneuropsychiatristsmonochromaticitiesmisidentificationsmisclassificationsmineralocorticoidsmicrophotographiesmicrophotographersmicropaleontologicmicromanipulationsmicroenvironmentalmicroencapsulationmicroencapsulatingmicrocrystallinitymicrocalorimetriesmethylcholanthrenemetallographicallymechanochemistriesmalcontentednessesmagnetostrictivelymagnetoresistancesmacrophotographieslepidopterologicalintercommunicatingintercolumniationsincontestabilitiesinconceivabilitiesincommensurabilityimmunoreactivitiesimmunoprecipitatesimmunoprecipitatedimmunopathologicalimmunocytochemicalhypernationalistichyperconcentrationhydrometallurgicalhomoscedasticitieshistophysiologicalgranulocytopoiesisgranulocytopoiesesfractionalizationsexceptionabilitiesethnomusicologicalelectroretinographelectroretinogramselectrophotographyelectrophoretogramelectrooculographyelectromyographieselectrodesiccationelectrocorticogramelectrocardiogramsdisconsolatenessesdehydrochlorinatesdehydrochlorinateddecriminalizationscounterstrategistscounterretaliationcounterpropagandascounterprogrammingcountereducationalcounterdemonstratecounterculturalismcounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalizedconstitutionalistsconstitutionalismsconservativenessesconsequentialitiescongregationalistscongregationalismsconceptualizationscompartmentalisingcompanionabilitiescommercializationscommensurabilitiescollectivisticallyclaustrophobicallychromolithographicchromolithographerchromolithographedchlortetracyclinescantankerousnessesbureaucratizationsbourgeoisificationbiocompatibilitiesbacteriorhodopsinsautobiographicallyaustralopithecinesarchaeoastronomiesantidiscriminationanticounterfeitinganticommercialismsaerothermodynamicsunsatisfactorinessunconstitutionallyultranationalistictrichlormethiazidetetrachloromethanetetrachlorethylenespectrographicallysaccharomycetaceaeradiocommunicationpsychotherapeuticspocket-handkerchiefoxidation-reductionovercapitalizationovercapitalisationnonprognosticativenoninterchangeablenitrochloromethanemuscivora-forficatamultifunctionalitylacto-vegetarianisminternationalisticintercommunicationhypercholesteremiahomobasidiomyceteshistocompatibilityfibrocartilaginousenterobacteriaceaeelectrodynamometerelectrocardiographcytoarchitectonicscryptogrammataceaecross-fertilizationcross-fertilisationcounterreformationcounterbombardmentcorynebacteriaceaecorrosion-resistantcolumbite-tantalitechloroacetophenonechemotherapeuticalcalymmatobacteriumballistocardiogramarteriolosclerosisanticholinesteraseanthropocentricityadenocarcinomatous
Phrases (896)
xerographic printervoiceless consonantvoice communicationvictory in europe dayvictory celebrationvictor frankensteinupton beall sinclairtypographical errortuamotu archipelagotriglochin maritimatomistoma schlegelitichodroma muriariathomas clayton wolfetheoretical accountsyzygium aromaticumsuborder clamatoressphenodon punctatumsolid body substancesocial organizationsocial organisationsir frederick ashtonsexual reproductionsetophaga ruticillasecurity consultantscottish highlanderscandinavian nationroyal academy of artsrhetorical languagerepublic of kiribatirelocatable programrefrigerator cookieprivate corporationpooecetes gramineuspolitically correctpolitical dissidentpoisonous substancepinicola enucleatorpiano transcriptionphysiological statephysical attractionphylum coelenterataphoenix dactyliferaostrya carpinifoliaoscar hammerstein iiorder ichthyosauriaorder eubacterialesoperating procedureoenothera fruticosaoceanites oceanicusoccupational hazardnewspaper columnistnew world flycatcherneapolitan ice creamnational censorshipnarcotic antagonistmyrmecophaga jubatamusical compositionmusculus temporalismolar concentrationmolal concentrationmethod of accountingmercator projectionmary wollstonecraftmake a clean breast ofmagnetic attractionlucy maud montgomerylowlands of scotlandlogistic assistancelogistic assessmentlogical implicationlinguistic relationlatrodectus mactanslachrymal secretionjohn charles fremontjean-frederic joliotjames whitcomb rileyjames prescott jouleisabella i of castileinternational scaleinterior decorationinterior decoratinginstallation chargeinflectional endinghypostasis of christhistorical documenthindu calendar monthheloderma suspectumhealth care providerharold clayton lloydgravitational forcegenus styracosaurusgenus recurvirostragenus phyllostachysgenus melopsittacusgenus eschscholtziagenus encephalartosgenus dimorphothecagenus archaeopteryxgenetic abnormalitygarcinia mangostanafunctional disorderfulminate of mercuryfricative consonantfourth cranial nervefortunella japonicafavorable receptionfamily motacillidaefamily loranthaceaeexplication de texteeuropean goatsuckeressential conditionessential amino acideriobotrya japonicaemployment contractelement of a cylinderelectronics companyelectronic databaseelaeagnus commutataeducation secretaryeconomic assistancedoctor of osteopathydmitri shostakovichdivision eubacteriadivision cynodontiadirectional antennadirect transmissiondiplomatic ministerdiplomatic buildingdigitalis glycosidedepth charge throwercytotropic antibodycyanocitta cristatacrotalus scutulatuscrotalus mitchelliicreate from raw stuffcrataegus oxycanthacouncil of constancecorrugated fastenercorporate executiveconstantin brancusiconservation of masscomputer peripheralcomptonia peregrinacommissaire maigretcomminuted fracturecommercial documentcommercial activitycolumbia universitycolocasia esculentacollapsible sheltercognitive semanticsclass schizomycetesclass gastromycetesclass dicotyledonaechristopher marlowechemical operationschemical attractioncause to be perceivedcastanea mollissimacarrying into actioncarl gustaf mosandercapital of wisconsincapital of venezuelacapital of tennesseecapital of swazilandcapital of nicaraguacapital of new mexicocapital of new jerseycapital of minnesotacapital of louisianacapital of lithuaniacapital of indonesiacapital of guatemalacapital of cape verdecapital of australiacapital of argentinacalifornia white oakbignonia capreolatabernardo bertolucciattestation serviceascension of the lordartocarpus communisartistic productionarthur schopenhauerarthur holly comptonarmoracia rusticanaapodemus sylvaticusantispasmodic agentantipsychotic agentantineoplastic drugantilope cervicapraantiberiberi factorantagonistic muscleangle of inclinationandrew dickson whiteanamnestic reactionamphibious aircraftamerican revolutionambystoma mexicanumalytes obstetricansalgorithmic programalexander woollcottagropyron cristatumaegean civilisationactinidia deliciosaacoustic gramophoneaccounting standardaccordance of rightsacadia national parkyellow-breasted chatyellow pitcher plantyellow cattley guavawrit of habeas corpuswinter olympic gameswestern diamondbackweather forecastingweapons emplacementwater-cooled reactorvolumetric analysisvocational trainingvigilance committeevascular prosthesisvalley pocket gophervaledictory speakervaledictory orationvaledictory addressuveoscleral pathwayuto-aztecan languageuterine contractionurogenital medicineunspoken accusationuniocular dichromatunilateral contracttyrannus vociferanstype of architecturetussock caterpillartropical rain foresttrichostema lanatumtricholoma venenatatricholoma vaccinumtricholoma pardinumtrichloracetic acidtremella fuciformistrailing four o'clocktoxemia of pregnancytorreya californicatopographic anatomytopical anaesthetictopical anaesthesiatobacco mosaic virustime deposit accounttiarella cordifoliathoroughbred racingthermoplastic resinthermobia domesticatherapeutic cloningtheory of indicatorstheatrical producertextual scholarshipteucrium scorodoniatectaria macrodontataxodium mucronatumtaraxacum kok-saghyztanacetum douglasiitanacetum coccineumtactual explorationsymplocus tinctoriaswiss confederationsupratrochlear veinsubpoena duces tecumsuborder nematocerasuborder lacertiliasuborder ceratopsiasubclass actinopodastructural genomicsstructural concretestochastic variablestictopelia cuneatastellar associationsteganopus tricolorstations of the crossstarvation acidosisspotsylvania countyspace-time continuumsouthern white cedarsouth celestial polesolar magnetic fieldsociological theorysocial anthropologysmoking compartmentsir ernst boris chainsir alfred hitchcockside-blotched lizardshortia galacifoliashort gastric arterysex-change operationserratula tinctoriasentential functionsemi-sweet chocolatesegmentation cavitysecretary of the navysecretary of defensesecondary educationsecondary dentitionsecobarbital sodiumscleroderma bovistasciaenops ocellatusscale of measurementsao tome and principesaint thomas a becketsacrifice operationsacramento sturgeonrocky-mountain maplerocky mountain sheeprocky mountain pinonrobert james fischerrobert bruce mathiasrichard john robertsrhizoctinia diseaserhetorical questionreticular formationresearch laboratoryrepublic of the sudanrepublic of botswanarene-robert cavelierrelative atomic massreductio ad absurdumrecreation facilityrecombinant proteinreal-time processingreactive depressionreaction propulsionratibida columnarisrate of depreciationquadriphonic systemquadraphonic systempylodictus olivarispus-forming bacteriapublic relations manpublic presentationpterocnemia pennatapterocarpus indicuspsychotria capensispsychotherapy grouppsychological statepsoriatic arthritispseudotaxus chieniiprotozoal infectionpropositional logicprophylactic deviceprobiotic bacteriumprionotus carolinusprince-of-wales'-heathprince of wales heathpretrial conferencepractice of medicinepotos caudivolvuluspotato scab bacteriapotassium carbonatepotamogeton crispuspositive chemotaxispopulus trichocarpaponcirus trifoliatapolystichum brauniipolitical scientistpolitical commissarpolice headquarterspoephila castanotispneumogastric nerveplumeria acutifoliaplatanus acerifoliaplatalea leucorodiaplantago lanceolataplains pocket gopherpimenta officinalispickeringia montanaphylum chaetognathaphyllostachys nigraphyllostachys aureaphrynosoma cornutumphragmites communisphotographic cameraphonological systemphilipp melanchthonpersonal credit linepediculosis capitispedestrian crossingpaumotu archipelagopartial correlationpart-of-speech taggerparochetus communisparacentral scotomaparabolic reflectorpancreatic fibrosispaleo-indian cultureorthochromatic filmoriental bush cherryorder stegocephaliaorder rickettsialesorder marchantialesorder endomycetalesorder actinomyxidiaopisthocomus hoazinoperations researchopen-air marketplaceonopordum acanthiumonopordon acanthiumolfactory sensationold world flycatcherokeechobee waterwaynyctanassa violaceanothofagus truncatanorthern white cedarnorth celestial polenormative economicsnorman architecturenonsocial infectionnon-christian priestnewtonian telescopenewtonian reflectornewtonian mechanicsnegative reinforcernegative chemotaxisnaturally occurringnational assistancenasogastric feedingnarrowbody aircraftnarrow-body aircraftmyositis trichinosamyelocytic leukemiamycteroperca bonacimyasthenic syndromemusculus teres majormusculus pectoralismusculus buccinatormultiplication signmountain watercressmountain four o'clockmountain chinchillamountain blacksnakemother-of-pearl cloudmoreton bay chestnutmorchella esculentamonocytic leukaemiamonoclonal antibodymomordica charantiamolecular biologistminor diatonic scaleminoan civilizationminoan civilisationmineral associationmilitary commissionmilitary censorshipmicroscopic anatomymichael stuart brownmichael gerald tysonmexican pocket mousemetaphosphoric acidmetabolic alkalosismelicocca bijugatusmedical institutionmedical examinationmedicago intertextamatricaria inodorummathematical symbolmaster of ceremoniesmarquis de condorcetmalice aforethoughtmalacosoma disstriamajor diatonic scalemagnetomotive forcemagneto-optical discmagnetic levitationmagnetic core memorymagnesium carbonatemacroscopic anatomymachine translationlycopodium clavitumlutjanus blackfordiluggage compartmentlucretia coffin mottlong-distance runnerlobelia siphiliticalitocranius walleriliquid metal reactorlip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumleycesteria formosalexicalized conceptlepiota rubrotinctalepiota clypeolarialepiota cepaestipesleontocebus rosalialegislative councilleft coronary arterylearner's dictionarylaportea canadensislactose intolerancelactarius deliciosokingdom protoctistakeratosis nigricanskentucky wonder beankalashnikov culturejunction transistorjudicial separationjoint chiefs of staffjohn griffith chaneyjob-control languagejessica lucy mitfordjerusalem artichokejean francois milletjames francis thorpejames butler hickockjack-o-lantern fungusitalian honeysuckleionization constantinternational pitchinternal combustioninterfacial tensioninteragency supportinorganic phosphateinorganic chemistryinformation scienceinflectional suffixinductive reasoningindicator electrodeincomplete fractureincomplete abortionin the adjacent houseidiopathic disorderhysterical neurosishypoplastic anaemiahypoglycaemic agenthyperfocal distancehydroxybutyric acidhuman genome projecthorse chestnut creamhooded pitcher planthomecourt advantageheterotheca villosaherbert clark hooverhenry oscar houghtonhelicobacter pyloriheat of dissociationheat of condensationhave the distinctionhalicoeres radiatushaemorrhagic strokegyromitra esculentaguilt by associationgroup psychotherapygroup participationgroup centrospermaegregorian telescopegraduation exercisegovernment activitygothic architecturegoods and service taxgolden barrel cactusgiant potato creepergeocentric parallaxgenus thysanocarpusgenus streptocarpusgenus sphacelothecagenus schizopetalongenus pterodactylusgenus protoceratopsgenus plectrophenaxgenus platypoecilusgenus phascolarctosgenus mycobacteriumgenus malacothamnusgenus macrodactylusgenus leucocytozoangenus leptodactylusgenus lactobacillusgenus ichthyosaurusgenus hyracotheriumgenus hylactophrynegenus hyacinthoidesgenus falcatifoliumgenus dicranopterisgenus dactylopterusgenus ctenocephalusgenus corythosaurusgenus compsognathusgenus chrysothamnusgenus chronoperatesgenus chorizagrotisgenus ceratotheriumgenus ceratophyllumgenus ceratopetalumgenus cephalopterusgenus calamagrostisgenus arctocephalusgenus anoectochilusgenus agrobacteriumgenus actiniopterisgenus acanthocybiumgenus acanthocereusgastroepiploic veingastrocolic omentumfunctional genomicsfunctional calculusfuchsia excorticatafront-porch campaignfrancois mitterrandfractional currencyforward transactionfirst earl of chathamfirst baron macaulayfinancial conditionfictional characterfeast of tabernaclesfamily trionychidaefamily orchestiidaefamily notoryctidaefamily notonectidaefamily loxomataceaefamily embiotocidaefamily cordaitaceaefamily combretaceaefamily cetorhinidaefamily ceratopsidaefamily catostomidaeextra duty allowanceexothermic reactionexophthalmic goitereuropean white bircheuphorbia corollataeuclid's fourth axiomeucalyptus rostrataeucalyptus globuluseucalyptus coriaceaeucalyptus camphoraeuarctos americanusequetus lanceolatusequatoguinean francepacris obtusifoliaenglish hippocratesenergy of activationendowment insuranceelymus trachycauloselectrostatic fieldelectrolyte balanceelectric automobileeighter from decaturedward the confessoreducational programecumenical movementecclesiastical robeecclesiastical modeeastern cricket frogeastern catholicismduodecimal notationdrepanocytic anemiadramatic productiondomesticated animaldoctor of humanitiesdivision myxomycotadivision cyanophytadiversionary attackdistrict of columbiadissociation energydiscretionary trustdirector of researchdirect bill of ladingdiplomatic immunitydiffraction gratingdichondra micranthadicamptodon ensatusdepreciation chargedental practitionerdental orthopaedicsdeductive reasoningde facto segregationdaucus carota sativadaboecia cantabricacytophilic antibodycystopteris montanacystophora cristatacyrtomium aculeatumcyclopes didactyluscutaneous sensationcultural revolutioncryptogramma crispacrotalus adamanteuscronartium ribicolacrocodilian reptilecrataegus tomentosacrataegus apiifoliacourt of saint james'scountervailing dutycounterbattery firecounter reformationcotoneaster dammericorticospinal tractcortaderia selloanacorrosive sublimatecorporal punishmentcoronary thrombosiscoreopsis tinctoriacordyline australiscordia gerascanthuscoptis groenlandicacoordinate geometryconvolution of brocaconversion reactionconversion hysteriacontract of adhesioncontinuing trespasscontinental glaciercontagious abortionconstructive breachconjugal visitationcongenital disorderconfederate soldierconfederate jasmineconduction deafnesscomputer simulationcomputer programmercomputer programingcomputed tomographycomptroller generalcomplementary colorcomplementary closecomplement fixationcompetitor analysiscompatible softwarecompassionate leavecomparative anatomycommunist manifestocommon yellowthroatcommon unicorn plantcommon staghorn ferncommon pitcher plantcommodity brokeragecommittal to writingcommercial travelercommerce departmentcombat intelligencecolutea arborescenscolchicum autumnalecolaptes chrysoidescognitive operationcoelenterate familycodiaeum variegatumclosed-heart surgeryclianthus speciosusclematis versicolorclematis ochreleucaclaytonia virginicaclaudius ptolemaeusclatonia lanceolataclassical mythologyclass xanthophyceaeclass pyrenomycetesclass plectomycetesclass hymenomycetesclass holothuroideaclass hepaticopsidaclass ginkgophytinaclass dicotyledonesclass cyanobacteriaclass cryptophyceaecitrus aurantifoliacirsium lanceolatumcirculatory failurechrysophrys auratuschristian schonbeinchoriotis australischinese scholartreechinese scholar treechinese parasol treecheilanthes eatoniichattahoochee rivercharles william postchairman of the boardchaenopsis ocellataceylon cinnamon treecerro del nacimientocerebral thrombosiscercis occidentalisceratotherium simumceratostomella ulmiceltis occidentaliscelestial longitudecatherine i of russiacatharanthus roseuscatalytic convertercataloged procedurecastilleja chromosacastanea ozarkensiscassia occidentaliscassia augustifoliacascade transformercasanova de seingaltcartridge extractorcarolingian dynastycarbon group elementcaranx bartholomaeicapital of singaporecapital of san marinocapital of costa ricacampanula glomeratacalostoma raveneliicalostoma lutescenscalopogon tuberosumcalochortus eleganscalochortus amoenuscalifornia white fircalcium bicarbonatebuchloe dactyloidesbrush-tail porcupinebroadcasting studiobreech presentationboy scouts of americabougainville trenchborn-again christianbook of ecclesiastesboltzmann's constantbocconia frutescensblackbody radiationblack-body radiationblack root rot fungusbidens trichospermabeta blocker eyedropbeckman thermometerbastardy proceedingbasal metabolic ratebartolomeo eustachibarometric pressurebarnaba chiaramontiball-and-socket jointbachelor of theologybachelor of divinityautomobile mechanicautoclaved concreteaustrotaxus spicataauditory perceptionasterid dicot familyassociative aphasiaassociate professorassociate in nursingasparagus setaceousascomycetous fungusarytenoid cartilagearticulatory systemarticle of furniturearteria ophthalmicaarteria communicansaristolochia durioraristarchus of samosarisaema dracontiumarches national parkapplication programapothecaries' weightapodictic certaintyapical placentationapatetic colorationantonio da correggioanticonvulsant druganticipatory breachanterior facial veinantarctic continentanselm of canterburyanointing of the sickandropogon furcatusanarchist communismanamnestic responseanalytical geometryamerican water ouzelamerican twinfloweramerican labor partyamerican arborvitaeambystoma maculatumaleurites moluccanaalcohol thermometeragonus cataphractusaffricate consonantaegilops triuncalisaegean civilizationaddax nasomaculatusacute brain disorderacoustic resistanceacoustic projectionacoustic phenomenonacoustic absorptionaconitum lycoctonumacer pseudoplatanusacentric chromosomeaccounts receivableacacia xanthophloeaabsorption spectrum
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