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18-Letter Words Containing: R,A,T,I,O

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There are 259 18 letter words, 957 18 letter phrases and 0 18 letter abbr's with R,A,T,I,O in.

Best Scoring 18 Letter Words With: R,A,T,I,O

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Words (259)
disproportionatelyinternationalizinghypercoagulabilitycompartmentalizinganthropomorphizinggastroenterologisttransubstantiationtransmogrificationoversimplificationoverrepresentationhyperaldosteronismunprofitablenessesuniformitarianismsultrasophisticatedultrarevolutionaryultramicroscopicalultraconservativesultraconservatismstriskaidekaphobiastransportabilitiestransistorizationstransilluminationstransformationallythermoplasticitiestheatricalizationssupranationalitiessupersophisticatedsupercivilizationssuperadministratorsubcategorizationsstructuralizationsstoichiometricallystereospecificallystereoregularitiesstereophotographicsphygmomanometriesspectroheliographyspectroheliographssemiconservativelysatisfactorinessesroentgenologicallyrevascularizationsrepresentationallyrenationalizationsreinstitutionalizerehospitalizationsrecrystallizationsrechromatographingrechromatographiesrambunctiousnessesradiosensitivitiesradiochromatogramsquattuordecillionsquasiperiodicitiesprovincializationspropagandisticallypronounceabilitiesproletarianizationpraiseworthinessespostmillenarianismpolyesterificationpolychromatophilicpolychromatophiliapolyacrylonitrilesphotoreactivationsphotomicrographiesphotolithographingphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessesparticularizationsovolactovegetarianoverspecializationoveroptimisticallyoverindustrializesoverindustrializedoveridentificationovergeneralizationoverfertilizationsoverextrapolationsoverconcentrationsovercommunicationsoverclassificationovercentralizationorthopsychiatristsorthogonalizationsnonrevolutionariesnonrepresentativesnonfraternizationsnondiscriminationsnoncooperationistsnonconfrontationalnoncomparabilitiesnonarbitrarinessesnonanthropologistsnonanthropologicalneurotransmissionsneuropsychiatristsmyeloproliferativemultifariousnessesmonochromaticitiesmisrepresentationsmisinterpretationsmisadministrationsmineralocorticoidsmicrophotographiesmicrophotographersmicropaleontologicmicromanipulationsmicroenvironmentalmicroencapsulationmicroencapsulatingmicrocrystallinitymicrocalorimetriesmetallographicallymelodramatizationsmechanochemistriesmaladministrationsmagnetostrictivelymagnetoresistancesmacrophotographieslumpenproletariatslepidopterologicalinterrelationshipsinteroperabilitiesinternationalitiesinternationalisinginterinstitutionalintercommunicatingintercolumniationsindustrializationsincommensurabilityimpersonalizationsimmunosuppressantsimmunoreactivitiesimmunoprecipitatesimmunoprecipitatedhypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconcentrationhyperalimentationshydroxytryptamineshydrometallurgistshydrometallurgicalgranulocytopoiesisgranulocytopoiesesgastroenterologiesfractionalizationsexterritorialitiesevapotranspirationelectroretinographelectroretinogramselectromyographieselectrodesiccationelectrocorticogramelectrocardiogramsdisproportionationdisproportionatingdisintermediationsdihydroergotaminesdiastereoisomerismdextroamphetaminesdephosphorylationsdepersonalizationsdematerializationsdehydrochlorinatesdehydrochlorinateddedifferentiationsdecriminalizationscounterstrategistscounterretaliationcounterprogrammingcountereducationalcounterculturalismcounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconversationalistscontradistinctionsconservativenessescongregationalistscongregationalismscompartmentalisingcommercializationscommensurabilitiesclaustrophobicallychromolithographicchromolithographerchromolithographedchlortetracyclinesbureaucratizationsbourgeoisificationbiotransformationsbiodegradabilitiesbacteriorhodopsinsautobiographicallyaustralopithecinesastrophotographiesarchaeoastronomiesantidiscriminationanticounterfeitinganticommercialismsantiadministrationanagrammatizationsaerothermodynamicsunsatisfactorinessultranationalistictrichlormethiazidetetraiodothyronineterritorializationterritorialisationspectrographicallyrhinolaryngologistradiocommunicationpteridospermopsidapteridospermaphytapsychotherapeuticspocket-handkerchiefoxidation-reductionoverinterpretationovercapitalizationovercapitalisationnonprognosticativenoninterchangeablenitrochloromethanemuscivora-forficatalaryngopharyngitislacto-vegetarianisminternationalisticintercommunicationhypoparathyroidismhypercholesteremiahydroflumethiazidefibrocartilaginousenterobacteriaceaeelectrocardiographdiethylmalonylureacytoarchitectonicscross-fertilizationcross-fertilisationcounterreformationcorynebacteriaceaecorrosion-resistantchemotherapeuticalcalymmatobacteriumballistocardiogramarteriolosclerosisantiferromagnetismanticholinesteraseanti-traditionalismanthropocentricityadenocarcinomatous
Phrases (957)
yemeni monetary unitxerographic printerwisteria floribundavictory in europe dayvictory celebrationvictor frankensteinupton beall sinclairtypographical errortuamotu archipelagotriglochin maritimatreaty of versaillestranslating programtichodroma muriariathomas wright wallertheoretical accounttheodosius the greatsyzygium aromaticumsyrian monetary unitsuborder anisopterasocial organizationsocial organisationsir martin frobishersir frederick ashtonsir arthur john evansshort-term liabilitysexual reproductionsetophaga ruticillasecurity consultantscottish highlanderrhetorical languagerevolutionary grouprespiratory illnessrepublic of kiribatirelaxation behaviorrefrigerator cookierabindranath tagoreqatari monetary unitprivate corporationposterior pituitarypooecetes gramineuspolitically correctpolish monetary unitpolianthes tuberosapinicola enucleatorpiano transcriptionphysical attractionphoenix dactyliferapapuan monetary unitostrya carpinifoliaoscar hammerstein iiorder sauropterygiaorder ichthyosauriaorder eubacterialesoperating procedureoil-industry analystoenothera fruticosaoccupational hazardnewspaper columnistneapolitan ice creamnational censorshipnathaniel hawthornenarcotic antagonistmusculus temporalismolar concentrationmolal concentrationminor tranquillizerminor tranquillisermilitary governmentmilitary expeditionmidterm examinationmethotrexate sodiummercator projectionmember of parliamentmaterial possessionmaster of literaturemanganese tetroxidemajor tranquillizermagnetic attractionlow-birth-weight babylinguistic relationlighthorse harry leelachrymal secretionkeyboard instrumentkenyan monetary unitjohn pierpont morganjean-frederic joliotjames whitcomb rileyinternational scaleinterior departmentinterior decorationinterior decoratinginstallation chargeindian monetary unithypostasis of christhouses of parliamenthistorical documenthindu calendar monthheat of vaporizationheat of vaporisationhealth professionalhealth care providerhablot knight brownegustatory sensationgreen mountain stategreat pyramid of gizagravitational forcegravitational fieldgiambattista marinogenus recurvirostragenus dimorphothecagenetic abnormalitygarcinia mangostanafunctional disorderfulminate of mercuryfricative consonantfourth cranial nervefortunella japonicafemale genital organfederation of tribesfavorable receptionfamily loranthaceaefamily heteromyidaeeuphorbia marginataeriobotrya japonicaenvoy extraordinaryendorsement in blankelement of a cylinderelectronics companyelectronic databaseedward lee thorndikeeducation secretarydylan marlais thomasdonato di betto bardidmitri shostakovichdivision eubacteriadisreputable persondirectional antennadirect transmissiondiplomatic ministerdenali national parkdefender of the faithdanish monetary unitdame sybil thorndikecytotropic antibodycyanocitta cristatacrotalus mitchelliicorporate executiveconstantin brancusiconservation of masscomputer peripheralcomptonia peregrinacommissaire maigretcomminuted fracturecommercial documentcommercial activitycolumbia universitycollapsible shelterchristopher marlowechemical operationschemical attractioncause to be perceivedcarrying into actioncapital of nicaraguacapital of new jerseycapital of cape verdecapital of australiacapital of argentinacalifornia white oakbush administrationblue ridge mountainsblood extravasationbignonia capreolatabernardo bertoluccibanana passion fruitauxiliary operationauthoritarian stateattestation serviceastronomy satelliteascension of the lordaruban monetary unitartocarpus communisartistic productionartemisia filifoliaarmoracia rusticanaantineoplastic drugantilope cervicapraantiberiberi factoranterior fontanelleanisette de bordeauxandrew dickson whiteanamnestic reactionamphibious aircraftamerican revolutionamaranthus spinosusalytes obstetricansalgorithmic programalbert szent-gyorgyiair-to-ground missileagropyron cristatumafghan monetary unitadministrative bodyacoustic gramophoneaccounting standardaccordance of rightsacadia national park5-hydroxytryptamineyellowtail flounderyellow pitcher plantyellow bristlegrassyellow bristle grasswrit of habeas corpusworld tamil movementwoolsorter's diseasewinter olympic gameswestern roman empirewestern ribbon snakewestern mountain ashwestern diamondbackweather forecastingwater-milfoil familywankel rotary enginewandering albatrossvolumetric analysisvocational trainingvinegar joe stilwellvena supraorbitalisvascular prosthesisvaledictory speakervaledictory orationvaledictory addressuterine contractionurogenital medicineupholstery materialunited states dollaruniocular dichromatunilateral contractumbelliferous planttyrannus vociferanstypewriter keyboardtype of architecturetwo-line great primertwin-propeller-planetussock caterpillartropical rain foresttrogium pulsatoriumtrisodium phosphatetrimorphodon lambdatrichostema lanatumtricholoma venenatatricholoma vaccinumtricholoma pardinumtrichloracetic acidtrend extrapolationtremella fuciformistransmission systemtransitive verb formtransfiguration daytransfer of trainingtrailing four o'clocktragelaphus buxtonitrade union movementtoxemia of pregnancytotalitation regimetorreya californicatopographic anatomytop fermenting yeasttongan monetary unittobacco mosaic virustiarella unifoliatatiarella cordifoliathujopsis dolobratathreshold operationthreatened abortionthoroughbred racingthomas stearns eliotthomas gainsboroughthird battle of ypresthird baron rayleighthevetia neriifoliathermoplastic resinthermobia domesticatherapeutic cloningtheory of relativitytheory of indicatorstheatrical producerthe great starvationthamnophis sirtalisthamnophis sauritusthamnophis proximusthalamostriate veintextual scholarshipteucrium scorodoniaterritorial reservetemporary expedienttellima grandifloratectaria macrodontataxodium mucronatumtaraktogenos kurziitaraktagenos kurziitalinum brevifoliumtactual explorationsystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissymplocus tinctoriaswiss confederationsweet-potato ring rotsupratrochlear veinsuperannuation fundsuborder tarsioideasuborder ruminantiasuborder lipotyphlasuborder lacertiliasuborder ceratopsiastructural genomicsstriped button quailstreptopelia turturstraight-line methodstorage-battery gridstochastic variablestellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universityspanish oyster plantsouthern white cedarsouthern maidenhairsonora semiannulatasolar magnetic fieldsociological theorysocial anthropologysmoking compartmentsmilax rotundifoliasir george trevelyansir ernst boris chainsir alfred hitchcocksilver quandong treesignal-to-noise ratioside-blotched lizardshortia galacifoliashort saphenous veinshort gastric arteryshorea teysmannianasexual relationshipsex-change operationserratula tinctoriasensory deprivationsecondary educationsecondary dentitionsecobarbital sodiumscleroderma bovistasaratoga spittlebugsao tome and principesample distributionsaint teresa of avilasailor's breastplatesacrifice operationround-tailed muskratrocky-mountain maplerocky mountain sheeprocky mountain pinonrobert james fischerrobert bruce mathiasriemannian geometryrichard john robertsrhodanthe manglesiirhizomatous begoniarhizoctinia diseaserhetorical questionrevaluation reservereticular formationretarded depressionrespiratory diseaserepublic of the sudanrepublic of botswanarene-robert cavelierrelative atomic massrelational databaseregression equationregistration numberregional anesthesiarefrigeration dryerreductio ad absurdumrecreation facilityrecombinant proteinreal-time processingreactive depressionreaction propulsionratibida columnarisrate of depreciationradiation pyrometerquantum field theoryquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrola rotundifoliapylodictus olivarispus-forming bacteriapublic relations manpublic presentationpterocnemia pennatapterocarpus indicuspsychotria capensispsoriatic arthritisprunus angustifoliaprumnopitys elegansprotozoal infectionprospero lambertinipropositional logicproportional sampleprophylactic devicepromotional expenseprofessional tennisprobiotic bacteriumprionotus carolinusprince-of-wales'-heathprince of wales heathpretrial conferencepresident john adamsprairie golden asterpractice of medicinepower-station workerpower of appointmentpotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispusportal hypertensionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolygonum orientalepolitical commissarpolice headquarterspneumogastric nerveplumeria acutifoliaplatanus orientalisplatanus acerifoliaplatanthera bifoliaplatalea leucorodiaplains pocket gopherpine-barren sandwortpickeringia montanaphyllostachys nigraphragmites communisphotographic camerapezophaps solitariapersonal credit lineperiodontal diseasepellitory-of-the-wallpedestrian crossingpaumotu archipelagopaul bustill robesonpartial correlationparochetus communisparathyroid hormoneparathion poisoningparallel of latitudeparabolic reflectorpaprilus alepidotuspancreatic fibrosispalestine authoritypaleo-indian cultureoxytropis lambertiioutput-to-input ratioorthochromatic filmornithopod dinosauroriental bush cherryoriental arborvitaeorder ustilaginalesorder tubulidentataorder synentognathiorder stegocephaliaorder rickettsialesorder psilophytalesorder polymastiginaorder plantaginalesorder marchantialesorder bennettitalesorder actinomyxidiaopuntia lindheimerioperations researchoperating statementopen-air marketplaceonopordum acanthiumonopordon acanthiumolfactory sensationobservation stationnorthern white cedarnorthern barramundinorth celestial polenormative economicsnorman architecturenormal distributionnonvolatile storagenonmalignant tumournon-volatile storagenon-christian priestnewtonian reflectorneutralization firenetwork programmingnervous prostrationnegative reinforcernaturally occurringnasogastric feedingnarrowbody aircraftnarrow-body aircraftnapierian logarithmnail-tailed kangaroomyositis trichinosamycteroperca bonacimyasthenic syndromemusculus pectoralismusculus buccinatormultiplex operationmountain watercressmountain spleenwortmountain four o'clockmountain fetterbushmother-in-law's tonguemontia lamprospermamomordica charantiamolecular biologistminor diatonic scalemineral associationminato ohashi bridgemilitary commissionmilitary censorshipmiddle temporal veinmicroscopic anatomymichael stuart brownmichael gerald tysonmetaphosphoric acidmerovingian dynastymentha rotundifoliamedicago intertextamatricaria inodorummaster of ceremoniesmartina navratilovamarta brigit nilssonmarquis de condorcetmarie goeppert mayermaria goeppert-mayermandarin orange treemalice aforethoughtmalacosoma disstriamajor tranquillisermajor diatonic scalemagnetomotive forcemagnetic core memorymagnesium carbonatemacroscopic anatomymachine translationlutjanus blackfordilucretia coffin mottlow-level formattinglouis the quarrellerlong-distance runnerlivistona australislitocranius wallerilithophragma affineliquid metal reactorlip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumlieutenant governorlibyan monetary unitliberation theologyleycesteria formosaleptopteris superbalepiota rubrotinctalepiota clypeolarialeontocebus rosalialeitneria floridanalearner's dictionaryleaning tower of pisalathyrus latifoliuslate-spring-bloominglaportea canadensislactose intolerancelactarius deliciosokurdistan labor parykingdom protoctistakingdom prokaryotaeking of great britainkeratosis nigricanskatmai national parkkammon strait bridgekalashnikov culturekakatoe leadbeaterijunction transistorjudicial separationjudgment in personamjohn griffith chaneyjohn barrington wainjessica lucy mitfordjerusalem artichokejean francois milletjatropha stimulosusjames francis thorpejames butler hickockisopyrum biternatumislets of langerhansiron-storage diseaseipratropium bromideintravenous feedinginterrogation pointinternational pitchinternal combustionintermediate shroudinterfacial tensioninteragency supportinsider informationinorganic phosphateinorganic chemistryinfraorbital arteryinformation warfareinformation scienceinformation measureinflationary spiralinertial navigationinductive reasoningindicator electrodeincomplete fractureincomplete abortionin your birthday suitin one's birthday suitidiopathic disorderhysterical neurosishypsiglena torquatahyperfocal distancehynerpeton bassettihydroxybutyric acidhundred-and-fortiethhottentot bread vinehorizontal parallaxhooded pitcher plantheterotheca villosaheterophil antibodyhesperis matronalisherringbone patternhelicobacter pyloriheavyweight torpedohalicoeres radiatushaemorrhagic strokehaematobia irritansgyromitra esculentagroup participationgregorian telescopegreater whitethroatgreat yellow gentiangreat saphenous veingraduation exercisegradable oppositiongovernment activitygothic architecturegoods and service taxgolden fairy lanternglobal organizationgilles de la tourettegiant potato creepergerman monetary unitgeothermal industrygeostationary orbitgeocentric parallaxgenus zinjanthropusgenus stephanomeriagenus pseudowinteragenus pleurothallisgenus mycobacteriumgenus lagerstroemiagenus ichthyosaurusgenus hyracotheriumgenus gasterophilusgenus dicranopterisgenus chorizagrotisgenus ceratotheriumgenus calamagrostisgenus agrobacteriumgenus actiniopterisgenital personalitygastroepiploic veingastrocolic omentumfuchsia excorticatafront-porch campaignfritillaria biflorafranklin d. rooseveltfrankfurt on the mainfrancois mitterrandfractional currencyforward transactionflorida smoothhoundfloat-type rain gaugefirst earl of chathamfirst battle of ypresfirst baron tennysonfirst baron macaulayfine-art photographyfictional characterfebruary revolutionfavourable positionfast of the firstbornfamily trombidiidaefamily trionychidaefamily torpedinidaefamily stromateidaefamily rhiptoglossafamily rhinobatidaefamily relationshipfamily orchestiidaefamily notoryctidaefamily littorinidaefamily hydrobatidaefamily holothuridaefamily cordaitaceaefamily combretaceaefamily cetorhinidaefamily ceratopsidaefamily argonautidaeexperimental methodexothermic reactionexophthalmic goitereuropean white bircheuphorbia corollataeuclid's fourth axiomeucalyptus coriaceaeuarctos americanusestrogen antagonistesther hobart morriserythronium albidumerythema multiformeeriophyllum lanatumequatoguinean francepistle to the romansepacris obtusifoliaenglish hippocratesenergy of activationendowment insuranceelectrostatic fieldelectric automobileeleanor of aquitaineeighter from decaturedwin of northumbriaeducational programecclesiastical robeeastern roman empireeastern indigo snakeeastern fox squirreleastern cricket frogeastern catholicismeast indian rosewooddryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadrepanocytic anemiadramatic productiondouble-breasted suitdorothy leigh sayersdoctor of humanitiesdivision rhodophytadiversionary attackdistrict of columbiadissociation energydiscretionary trustdirector of researchdirect bill of ladingdigital photographydiffraction gratingdichondra micranthadepreciation chargedental practitionerdental orthopaedicsdeflationary spiraldeductive reasoningde facto segregationdaucus carota sativadalbergia latifoliadaboecia cantabricacystopteris montanacystophora cristatacyrtomium aculeatumcultural revolutioncryptogramma crispacronartium ribicolacrocodilian reptilecrataegus 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 breachcongenital disorderconfederate soldierconfederate jasminecomputer simulationcomputer programingcompetitor analysiscompatible softwarecomparative anatomycommon unicorn plantcommon pitcher plantcommodity brokeragecommittal to writingcommercial travelercolaptes chrysoidescognitive operationcoelenterate familycodiaeum variegatumclematis versicolorclematis ochreleucaclaytonia virginicaclass holothuroideaclass cyanobacteriacitrus aurantifoliacirsium lanceolatumcirculatory failurechristian schonbeinchoriotis australischinese scholartreechinese scholar treechinese parasol treechattahoochee rivercharles william postchairman of the boardceylon cinnamon treecerro del nacimientocerebral thrombosiscercis occidentalisceratotherium simumceratostomella ulmicatherine i of russiacatalytic convertercastilleja chromosacastanea ozarkensiscartridge extractorcarolingian dynastycaranx bartholomaeicapital of singaporecapital of san marinocapital of costa ricacalostoma raveneliicalifornia white fircalcium bicarbonatebrush-tail porcupinebroadcasting studiobritish labour partybrevoortia tyrannisbreech presentationboy scouts of americabougainville trenchbottom fermentationborn-again christianbocconia frutescensblackbody radiationblack-body radiationbird-footed dinosaurbidens trichospermabernese mountain dogbattle of bunker hillbattle of austerlitzbastardy proceedingbasal metabolic ratebartolomeo vanzettibartolomeo prignanobartolomeo eustachibarometric pressurebarnaba chiaramontibachelor of divinitybaby-boom generationautomotive engineerautomobile industryautoimmune disorderaustrotaxus spicataauditory perceptionatrial fibrillationastroloma humifusumasterid dicot familyassociate professorassociate in nursingassistant professorasian tiger mosquitoarytenoid cartilagearticulatory systemarticle of furniturearterial blood gasesarteria ophthalmicaarteria ethmoidalisarteria communicansartemisia abrotanumarmy of the righteousaristotelia serrataaristolochia durioraristarchus of samosarisaema dracontiumarisaema atrorubensarches national parkapplication programapothecaries' weightapodictic certaintyapatetic colorationantonio da correggioanticonvulsant druganticipatory breachanterograde amnesiaanterior facial veinantarctic continentanomalopteryx oweniangoumois grain mothanarchist communismanamnestic responseanalytical geometryamerican water ouzelamerican twinfloweramerican labor partyamerican arborvitaealveolar resorptionalsophila pometariaaleurites moluccanaalan mathison turingagrimonia eupatoriaagitated depressionaffricate consonantaegilops triuncalisadmiralty mountainsadenium multiflorumacute brain disorderacoustic resistanceacoustic projectionacoustic absorptionacentric chromosomeaccounts receivableabsorption spectrumabdominal breathing
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