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

 (In Any Order)
There are 202 18 letter words, 740 18 letter phrases and 0 18 letter abbr's with R,A,T,I,O,N in.

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

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All 18 Letter Words

Words (202)
disproportionatelyinternationalizingcompartmentalizinganthropomorphizinggastroenterologisttransubstantiationtransmogrificationoversimplificationoverrepresentationhyperaldosteronismunprofitablenessesuniformitarianismsultrarevolutionaryultraconservativesultraconservatismstransportabilitiestransistorizationstransilluminationstransformationallytheatricalizationssupranationalitiessupercivilizationssuperadministratorsubcategorizationsstructuralizationssphygmomanometriessemiconservativelysatisfactorinessesroentgenologicallyrevascularizationsrepresentationallyrenationalizationsreinstitutionalizerehospitalizationsrecrystallizationsrechromatographingrambunctiousnessesradiosensitivitiesquattuordecillionsprovincializationspropagandisticallypronounceabilitiesproletarianizationpraiseworthinessespostmillenarianismpolyesterificationpolyacrylonitrilesphotoreactivationsphotolithographingphotodisintegratesphotodisintegratedpertinaciousnessesparticularizationsovolactovegetarianoverspecializationoverindustrializesoverindustrializedoveridentificationovergeneralizationoverfertilizationsoverextrapolationsoverconcentrationsovercommunicationsoverclassificationovercentralizationorthogonalizationsnonrevolutionariesnonrepresentativesnonfraternizationsnondiscriminationsnoncooperationistsnonconfrontationalnoncomparabilitiesnonarbitrarinessesnonanthropologistsnonanthropologicalneurotransmissionsneuropsychiatristsmultifariousnessesmonochromaticitiesmisrepresentationsmisinterpretationsmisadministrationsmineralocorticoidsmicropaleontologicmicromanipulationsmicroenvironmentalmicroencapsulationmicroencapsulatingmicrocrystallinitymelodramatizationsmechanochemistriesmaladministrationsmagnetostrictivelymagnetoresistanceslumpenproletariatsinterrelationshipsinteroperabilitiesinternationalitiesinternationalisinginterinstitutionalintercommunicatingintercolumniationsindustrializationsincommensurabilityimpersonalizationsimmunosuppressantsimmunoreactivitiesimmunoprecipitatesimmunoprecipitatedhypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconcentrationhyperalimentationshydroxytryptaminesgranulocytopoiesisgranulocytopoiesesgastroenterologiesfractionalizationsevapotranspirationelectroretinographelectroretinogramselectrodesiccationdisproportionationdisproportionatingdisintermediationsdihydroergotaminesdextroamphetaminesdephosphorylationsdepersonalizationsdematerializationsdehydrochlorinatesdehydrochlorinateddedifferentiationsdecriminalizationscounterstrategistscounterretaliationcounterprogrammingcountereducationalcounterculturalismcounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconversationalistscontradistinctionsconservativenessescongregationalistscongregationalismscompartmentalisingcommercializationscommensurabilitieschlortetracyclinesbureaucratizationsbourgeoisificationbiotransformationsbacteriorhodopsinsaustralopithecinesarchaeoastronomiesantidiscriminationanticounterfeitinganticommercialismsantiadministrationanagrammatizationsaerothermodynamicsunsatisfactorinessultranationalistictetraiodothyronineterritorializationterritorialisationrhinolaryngologistradiocommunicationpocket-handkerchiefoxidation-reductionoverinterpretationovercapitalizationovercapitalisationnonprognosticativenoninterchangeablenitrochloromethanelaryngopharyngitislacto-vegetarianisminternationalisticintercommunicationfibrocartilaginousenterobacteriaceaediethylmalonylureacytoarchitectonicscross-fertilizationcross-fertilisationcounterreformationcorynebacteriaceaecorrosion-resistantantiferromagnetismanticholinesteraseanti-traditionalismanthropocentricityadenocarcinomatous
Phrases (740)
yemeni monetary unitxerographic printerwisteria floribundavictory in europe dayvictory celebrationvictor frankensteinupton beall sinclairtriglochin maritimatranslating programtheoretical accountsyrian monetary unitsuborder anisopterasocial organizationsocial organisationsir martin frobishersir frederick ashtonsir arthur john evanssexual reproductionsecurity consultantscottish highlanderrhetorical languagerevolutionary grouprespiratory illnessrelaxation behaviorrabindranath tagoreqatari monetary unitprivate corporationpooecetes gramineuspolish monetary unitpolianthes tuberosapinicola enucleatorpiano transcriptionphysical attractionphoenix dactyliferapapuan monetary unitostrya carpinifoliaoscar hammerstein iioperating procedureoil-industry analystoenothera fruticosaoccupational hazardnewspaper columnistneapolitan ice creamnational censorshipnathaniel hawthornenarcotic antagonistmolar concentrationmolal concentrationminor tranquillizerminor tranquillisermilitary governmentmilitary expeditionmidterm examinationmercator projectionmember of parliamentmaterial possessionmanganese tetroxidemajor tranquillizermagnetic attractionlinguistic relationlachrymal secretionkeyboard instrumentkenyan monetary unitjohn pierpont morganjean-frederic joliotinternational scaleinterior departmentinterior decorationinterior decoratinginstallation chargeindian monetary unithouses of parliamenthistorical documenthindu calendar monthheat of vaporizationheat of vaporisationhealth professionalhablot knight brownegustatory sensationgreen mountain stategravitational forcegravitational fieldgiambattista marinogenus recurvirostragenus dimorphothecagenetic abnormalitygarcinia mangostanafunctional disorderfulminate of mercuryfricative consonantfourth cranial nervefortunella japonicafemale genital organfederation of tribesfavorable receptionfamily loranthaceaeeuphorbia marginataeriobotrya japonicaenvoy extraordinaryendorsement in blankelement of a cylinderelectronics companyelectronic databaseedward lee thorndikeeducation secretarydylan marlais thomasdonato di betto bardidivision eubacteriadisreputable persondirectional antennadirect transmissiondiplomatic ministerdenali national parkdefender of the faithdanish monetary unitdame sybil thorndikecytotropic antibodycyanocitta cristataconstantin brancusiconservation of masscomptonia peregrinacomminuted fracturecommercial documentcolumbia universitychemical operationschemical attractioncarrying into actioncapital of nicaraguacapital of new jerseycapital of argentinacalifornia white oakbush administrationblue ridge mountainsblood extravasationbignonia capreolatabernardo bertoluccibanana passion fruitauxiliary operationauthoritarian stateattestation serviceastronomy satelliteascension of the lordaruban monetary unitartocarpus communisartistic productionarmoracia rusticanaantineoplastic drugantilope cervicapraantiberiberi factoranterior fontanelleanisette de bordeauxandrew dickson whiteanamnestic reactionamerican revolutionamaranthus spinosusalytes obstetricansalbert szent-gyorgyiair-to-ground missileagropyron cristatumafghan monetary unitadministrative bodyacoustic gramophoneaccounting standardaccordance of rightsacadia national park5-hydroxytryptamineyellowtail flounderyellow pitcher plantworld tamil movementwinter olympic gameswestern roman empirewestern ribbon snakewestern mountain ashwestern diamondbackweather forecastingwankel rotary enginewandering albatrossvolumetric analysisvocational trainingvinegar joe stilwellvena supraorbitalisvaledictory orationuterine contractionurogenital medicineunited states dollaruniocular dichromatunilateral contractumbelliferous planttyrannus vociferanstwo-line great primertwin-propeller-planetropical rain foresttrimorphodon lambdatrichostema lanatumtricholoma venenatatricholoma vaccinumtricholoma pardinumtrend extrapolationtransmission systemtransitive verb formtransfiguration daytransfer of trainingtrailing four o'clocktragelaphus buxtonitrade union movementtoxemia of pregnancytotalitation regimetorreya californicatopographic anatomytop fermenting yeasttongan monetary unittiarella unifoliatathreshold operationthreatened abortionthoroughbred racingthomas stearns eliotthomas gainsboroughthird baron rayleighthevetia neriifoliathermoplastic resintherapeutic cloningtheory of indicatorsthe great starvationthamnophis sirtalisthamnophis sauritusthamnophis proximusthalamostriate veinteucrium scorodoniatemporary expedienttellima grandifloratectaria macrodontataxodium mucronatumtaraktogenos kurziitaraktagenos kurziitalinum brevifoliumtactual explorationsystema urogenitalesystem of numerationsynaptomys borealissymplocus tinctoriaswiss confederationsweet-potato ring rotsupratrochlear veinsuperannuation fundsuborder ruminantiastructural genomicsstriped button quailstraight-line methodstellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universityspanish oyster plantsouthern white cedarsouthern maidenhairsonora semiannulatasolar magnetic fieldsocial anthropologysmoking compartmentsmilax rotundifoliasir george trevelyansir ernst boris chainsilver quandong treesignal-to-noise ratioshort saphenous veinshorea teysmannianasexual relationshipsex-change operationserratula tinctoriasensory deprivationsecondary educationsecondary dentitionsao tome and principesample distributionsaint teresa of avilasacrifice operationround-tailed muskratrocky-mountain maplerocky mountain sheeprocky mountain pinonriemannian geometryrichard john robertsrhodanthe manglesiirhizomatous begoniarhizoctinia diseaserhetorical questionrevaluation reservereticular formationretarded depressionrepublic of the sudanrepublic of botswanarene-robert cavelierrelational databaseregression equationregistration numberregional anesthesiarefrigeration dryerrecreation facilityrecombinant proteinreal-time processingreactive depressionreaction propulsionratibida columnarisrate of depreciationradiation pyrometerquantum field theoryquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrola rotundifoliapus-forming bacteriapublic relations manpublic presentationpterocnemia pennatapterocarpus indicuspsychotria capensisprunus angustifoliaprumnopitys elegansprotozoal infectionprospero lambertinipropositional logicproportional samplepromotional expenseprofessional tennisprionotus carolinusprince-of-wales'-heathprince of wales heathpretrial conferencepresident john adamsprairie golden asterpractice of medicinepower-station workerpower of appointmentpotentilla anserinapotassium carbonatepotamogeton crispusportal hypertensionponcirus trifoliatapolystichum brauniipolygonum orientalepneumogastric nerveplatanus orientalisplatanus acerifoliaplatanthera bifoliaplains pocket gopherpine-barren sandwortpickeringia montanaphyllostachys nigraphragmites communispersonal credit lineperiodontal diseasepedestrian crossingpaul bustill robesonpartial correlationparochetus communisparathyroid hormoneparathion poisoningpancreatic fibrosispalestine authoritypaleo-indian cultureoutput-to-input ratioornithopod dinosauroriental bush cherryoriental arborvitaeorder ustilaginalesorder tubulidentataorder synentognathiorder 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 buccinatormultiplex operationmountain watercressmountain spleenwortmountain four o'clockmountain fetterbushmother-in-law's tonguemontia lamprospermamomordica charantiaminor diatonic scalemineral associationminato ohashi bridgemilitary commissionmilitary censorshipmiddle temporal veinmicroscopic anatomymichael stuart brownmichael gerald tysonmerovingian dynastymentha rotundifoliamedicago intertextamatricaria inodorummaster of ceremoniesmartina navratilovamarta brigit nilssonmarquis de condorcetmandarin orange treemajor tranquillisermajor diatonic scalemagnetomotive forcemagnetic core memorymagnesium carbonatemacroscopic anatomymachine translationlutjanus blackfordilucretia coffin mottlow-level formattinglong-distance runnerlivistona australislitocranius wallerilithophragma affinelip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumlieutenant governorlibyan monetary unitliberation theologylepiota rubrotinctaleontocebus rosalialeitneria floridanalearner's dictionaryleaning tower of pisalate-spring-bloominglaportea canadensislactose intolerancekurdistan labor parykingdom protoctistakingdom prokaryotaeking of great britainkeratosis nigricanskatmai national parkkammon strait bridgekalashnikov culturejunction transistorjudicial separationjudgment in personamjohn griffith chaneyjohn barrington wainjean francois milletjames francis thorpeisopyrum biternatumislets of langerhansiron-storage diseaseintravenous 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 suithysterical neurosishypsiglena torquatahyperfocal distancehynerpeton bassettihundred-and-fortiethhottentot bread vinehorizontal parallaxhooded pitcher plantheterophil antibodyhesperis matronalisherringbone patternhaematobia irritansgyromitra esculentagroup participationgregorian telescopegreat yellow gentiangreat saphenous veingraduation exercisegradable oppositiongovernment activitygoods and service taxgolden fairy lanternglobal organizationgiant potato creepergerman monetary unitgeothermal industrygeostationary orbitgeocentric parallaxgenus zinjanthropusgenus stephanomeriagenus pseudowinteragenus pleurothallisgenus mycobacteriumgenus lagerstroemiagenus ichthyosaurusgenus hyracotheriumgenus gasterophilusgenus dicranopterisgenus chorizagrotisgenus ceratotheriumgenus calamagrostisgenus agrobacteriumgenus actiniopterisgenital personalitygastroepiploic veingastrocolic omentumfront-porch campaignfranklin d. rooseveltfrankfurt on the mainfrancois mitterrandfractional currencyforward transactionflorida smoothhoundfloat-type rain gaugefirst baron tennysonfirst baron macaulayfine-art photographyfictional characterfebruary revolutionfavourable positionfast of the firstbornfamily trionychidaefamily torpedinidaefamily rhinobatidaefamily relationshipfamily notoryctidaefamily littorinidaefamily cetorhinidaefamily argonautidaeexperimental methodexothermic reactioneuropean white bircheuarctos americanusestrogen antagonisterythronium albidumeriophyllum lanatumequatoguinean francepistle to the romansenglish hippocratesenergy of activationendowment insuranceeleanor of aquitaineedwin of northumbriaeducational programeastern roman empireeastern indigo snakeeastern fox squirreleastern cricket frogeastern catholicismeast indian rosewooddryopteris goldianadryopteris fragransdrepanocytic anemiadramatic productiondoctor of humanitiesdivision rhodophytadiversionary attackdissociation energydiscretionary trustdirect bill of ladingdiffraction gratingdichondra micranthadepreciation chargedental practitionerdental orthopaedicsdeflationary spiraldeductive reasoningde facto segregationdaboecia cantabricacystopteris montanacultural revolutioncronartium ribicolacrocodilian reptilecourt of saint james'scountervailing dutycounterbattery firecounter reformationcotoneaster dammericorticospinal tractcortaderia selloanacorporal punishmentcoronary thrombosiscoreopsis tinctoriacordyline australiscordia gerascanthuscoptis groenlandicacoordinate geometryconvolution of brocaconversion reactionconversion hysteriacontract of adhesioncontinuing trespasscontinental glaciercontagious abortionconstructive breachcongenital disorderconfederate soldierconfederate jasminecomputer simulationcomputer programingcompetitor analysiscomparative anatomycommon unicorn plantcommon pitcher plantcommittal to writingcognitive operationcoelenterate familyclaytonia virginicaclass cyanobacteriacitrus aurantifoliacirsium lanceolatumchristian schonbeinchinese scholartreechinese scholar treechinese parasol treechairman of the boardceylon cinnamon treecerro del nacimientocercis occidentaliscatherine i of russiacatalytic convertercastanea ozarkensiscarolingian dynastycaranx bartholomaeicapital of singaporecapital of san marinocalostoma raveneliicalifornia white fircalcium bicarbonatebrush-tail porcupinebroadcasting studiobrevoortia tyrannisbreech presentationbougainville trenchbottom fermentationborn-again christianbocconia frutescensblackbody radiationblack-body radiationbird-footed dinosaurbidens trichospermabernese mountain dogbattle of bunker hillbastardy proceedingbartolomeo vanzettibartolomeo prignanobarnaba chiaramontibachelor of divinitybaby-boom generationautomotive engineerautomobile industryautoimmune disorderauditory perceptionatrial fibrillationassociate in nursingassistant professorasian tiger mosquitoarytenoid cartilagearticle of furniturearteria communicansartemisia abrotanumarisaema dracontiumarisaema atrorubensarches national parkapplication programapodictic certaintyapatetic colorationantonio da correggioanticonvulsant druganticipatory breachanterograde amnesiaanterior facial veinantarctic continentanomalopteryx oweniangoumois grain mothanarchist communismanamnestic responseanalytical geometryamerican water ouzelamerican twinfloweramerican labor partyamerican arborvitaealveolar resorptionaleurites moluccanaalan mathison turingagrimonia eupatoriaagitated depressionaffricate consonantaegilops triuncalisadmiralty mountainsadenium multiflorumacute brain disorderacoustic resistanceacoustic projectionacoustic absorptionacentric chromosomeaccounts receivableabsorption spectrumabdominal breathing
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