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15-Letter Words That Start With: I

There are 507 15-letter words, 138 15-letter phrases and 0 15-letter abbr's that start with I.

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Expand?WordSave?LengthUsagePointsType
inexplicability15
31 nounn
Valid word for Scrabble US
individualizing15
30 verb, adjectivev, adj
verb

• make or mark or treat as individual

• make personal or more personal

immobilizations15
30 nounn
noun

• fixation (as by a plaster cast) of a body part in order to promote proper healing

• the act of limiting movement or making incapable of movement

intersubjective15
29 adjectiveadj
adjective

• Involving or occurring between separate conscious minds.

• Accessible to or capable of being established for two or more subjects.

inextricability15
29 nounn
Valid word for Scrabble US
immaterializing15
29 verbv
verb

• render immaterial or incorporeal

interparoxysmal15
29 adjectiveadj
Valid word for Scrabble US
impersonalizing15
29 verb, adjectivev, adj
Valid word for Scrabble US
immunochemistry15
29 nounn
noun

• the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies)

immortalization15
28 nounn
Valid word for Scrabble US
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All 15 Letter Words

Words (507)
internationallyinsubordinationinstantaneouslyinappropriatelyintussusceptioninconsequentialinterchangeableintercollegiateindemnificationinaccessibilityincompatibilityinconveniencingimpressionisticintellectualityintellectualismimprovisationalinstrumentationindividualisticinterscholasticinterventionistintellectualizeinfinitesimallyinterconnectioninquisitivenessinvulnerabilityinstrumentalityinconspicuouslyintrospectivelyirresistibilityinternalisationinspirationallyinexpensivenessindustriousnessinconsiderationincommunicativeinterrogatoriesinterdependenceinconsideratelyincomprehensionincommensurableinterventionisminterrogativelyinterdependencyintensificationinstrumentalistineffectivenessincomprehensiveinternalizationinsurrectionistinsurrectionaryinopportunenessindeterminationinattentivenessimperishabilityimpecuniousnessimaginativenessillustriousnessignominiousnessirrationalitiesirrationalisticinvincibilitiesinventivenessesinvariabilitiesintrospectionalintravascularlyintrapreneurialintransigeancesinteruniversityintertextualityintersubjectiveinterstratifiedinterrogationalinterpretationsinterpenetratesinterpellationsintermittenciesinterlineationsinteriorizationinterfraternityinterferometersinterdivisionalinterdigitationinterculturallyintercorrelatesintercorrelatedinterconvertinginterconversionintercommunionsintellectualistintegrationistsinsufficienciesinstructivenessinstantaneitiesinsignificancesinseparablenessinscrutablenessinsatiabilitiesinoffensivenessinjuriousnessesinhomogeneitiesingeniousnessesinfundibuliforminfrastructuresinformativenessinflammablenessinfeasibilitiesinextricabilityinexplicabilityinexorabilitiesinevitabilitiesineligibilitiesindustrializingindustrialisingindubitablenessindomitablenessindividualizingindividualitiesindividualisingindissolubilityindeterminaciesincrementalistsincorrectnessesinconvenienciesinconsistenciesinclusivenessesincapacitationsincalculabilityinalterablenessimprovisatorialimprovabilitiesimpregnablenessimpoverishmentsimponderabilityimperfectnessesimpeccabilitiesimpassivenessesimpassibilitiesimpalpabilitiesimmunodiagnosisimmortalizationimmediatenessesimmaterializingimmaterialitiesillimitablenessirreversibilityintelligibilityinstrumentalismineffaceabilityincomparabilityinapplicabilityinadmissibilityirritablenessesirrevocablenessirrepealabilityirreparablenessirrefragabilityirreformabilityirreconcilablesirasciblenessesionosphericallyinvisiblenessesinviolatenessesinviolabilitiesinvidiousnessesinvestigationalinvectivenessesintussusceptiveintussusceptingintuitivenessesintrusivenessesintricatenessesintrapopulationintraperitonealintransigeantlyintracerebrallyintracellularlyintolerablenessintervisitationintervisibilityintervalometersintertwinementsinterstratifiesinterprovincialinterpopulationinterphalangealinterpersonallyinterpermeatinginterperceptualinterpenetratedinterparoxysmalinternucleotideintermodulationintermediationsinterlacustrineinterinfluencesinterindividualintergradationsintergenerationinterferometricinterelectronicinterdigitatinginterdiffusionsinterconnectingintercomparisoninterbehavioralinteranimationsintensivenessesintelligentsiasintegrabilitiesintangibilitiesinsubordinatelyinstructorshipsinsolublenessesinsociabilitiesinsidiousnessesinsensitivitiesinsensibilitiesinsatiatenessesinquisitoriallyinoperativenessinnocuousnessesinitializationsinhospitalitiesinheritablenessingenuousnessesinfusiblenessesinformationallyinflexibilitiesinfantilizationinfallibilitiesinexcusablenessineradicabilityineffablenessesineducabilitiesindoctrinationsindisciplinableindigenizationsindifferentistsindifferentismsindeterministicindeterminatelyindefinablenessindefensibilityindefectibilityindefeasibilityincuriousnessesincrementalismsincredibilitiesincorruptnessesincorrigibilityincoordinationsincommensurablyincapablenessesinanimatenessesimpulsivenessesimprobabilitiesimprecisenessesimpossibilitiesimplicativenessimplementationsimplacabilitiesimpetuousnessesimpersonalizingimpersonalitiesimperiousnessesimpecuniositiesimpassabilitiesimmutablenessesimmunotherapiesimmunomodulatorimmunoglobulinsimmunodiffusionimmunodiagnosesimmunoblottingsimmunoassayableimmovablenessesimmobilizationsimmiscibilitiesimitativenessesimaginarinessesillogicalnessesilliberalnessesillegalizationsidiomaticnessesidentificationsidenticalnessesichthyosauriansinvoluntarinessintramuscularlyinterestingnessinterchangeablyintemperatenessinstitutionallyinsignificantlyinsensitivenessinjudiciousnessinefficaciouslyineffectualnessindigestibilityincongruousnessimportunatenessimpenetrabilityimmunopathologyimmunologicallyimmunodeficientimmunocompetentimmunochemistryideographicallyinteroperativesinterinfluencedinterelectrodesiterativenessesisoperimetricalisoimmunizationisoimmunisationismaticalnessesirretentivenessirresolvabilityirreprehensiblyirreprehensibleirremovablenessirremissibilityirrefutablenessirreductibilityirreduciblenessirredeemabilityirreconcilementirreciprocitiesirrationalizingirrationalisinginvertibilitiesinvendibilitiesintuitionalistsintuitionalismsintrosusceptionintrinsicalnessintransmissibleintransigentistintransigentismintransigenciesintrafascicularintradermicallyinterweavementsintertwistinglyintertentacularintertanglementintersexualismsinterrogatorilyinterrogatinglyinterpunctuatesinterpunctuatedinterpretressesinterpretershipinterpenetrableinterosculationinterosculatinginterminabilityintermigrationsinterlocutrixesinterlocutricesinterlocutorilyinterlaminationinterlaminatinginterjectionaryinterjaculatoryinterjaculatinginteriorisationinterfascicularinterconnexionsinterconnectorsintercoloniallyinterclavicularinterchangementinterambulacruminterambulacralinteractivitiesinteractionistsinteractionismsintelligentziasintellectualiseinsuperablenessinstinctivitiesinspirationistsinspirationismsinsolvabilitiesinsignificativeinsensatenessesinscribablenessinquisitionistsinorganizationsinorganisationsinopportunitiesinoperabilitiesinofficiousnessinodorousnessesinoculabilitiesinobtrusivenessinnoxiousnessesinitialisationsinimitabilitiesinharmonicitiesingrainednessesinfrastructuralinfrangiblenessinfralapsariansinflectednessesinfectivenessesinfantilisationinextensibilityinexpugnabilityinestimablenessinerrablenessesinequitablenessineludibilitiesinductivenessesindivisiblenessindividualizersindividualisersindistributableindistinctivelyindiscretionaryindigenisationsindeliblenessesincurablenessesinculpabilitiesincrossbreedingincredulousnessinconsolabilityinconsecutivelyincomputabilityinclementnessesincessantnessesincentivizationincentivisationincapaciousnessincandescenciesinaudiblenessesinarticulationsinapprehensionsinapprehensibleinappreciationsinalienablenessinadvisablenessimputablenessesimprovvisatriceimprovvisatoresimprovisatrixesimprovisatricesimprescriptiblyimprescriptibleimpracticalnessimposthumationsimportabilitiesimpoliticnessesimperviablenessimperturbationsimpersonalisingimperscriptibleimpassionednessimpartibilitiesimpartialnessesimmunoreactionsimmunogenicallyimmunogeneticalimmunocomplexesimmunoassayistsimmoveabilitiesimmortalisationimmobilisationsimmiserizationsimmiserisationsimmensurabilityimmedicablenessimmaterialisingillegitimationsillegiblenessesillegalisationsidioticalnessesidiosyncraticalidiomorphicallyidiomaticalnessicositetrahedraichthyosaurusesichthyophagistsichthyodoryliteichthyodoruliteiatrogenicitiesitalian-speakingisoagglutinogenirreligiousnessintrasententialintralinguisticintractablenessinterreflectioninterest-bearinginsurrectionisminsubstantiallyinnumerablenessindisputabilityincriminatinglyincommutabilityimplausiblenessimpermeablenessimperishingnessimmeasurabilityill-proportionedichthyosauridae
Phrases (138)
izanami-no-mikotoivan the terribleitalian sandwichitalian dressingirrigation ditchironmonger's shopiridaceous plantiranian languageionic medicationintrinsic factorintravenous dripintimate apparelinterest expenseintercalary yearinsurance policyinsurance brokerinstallment debtinherited wealthinfectious agentindian blackwoodindependence dayincentive optioninauguration dayin all likelihoodimperial mammothimmunoglobulin gimmunoglobulin aimmunizing agentii thessaloniansixodes pacificusivory coast francivan iii of russiaiterative aspectitalian woodbineitalian vermouthitalian ryegrassitalian republicitalian languageisthmus of panamaisthmus of darienisoroku yamamotoisobutyl nitriteisland dispenserislamic calendarischemic hypoxiaischaemic strokeisatis tinctoriairon perchlorideirish strawberryiris pseudacorusiresine herbstiiiraqi mukhabaratipomoea tricoloripomoea purpureaipomoea panurataipomoea coccineaionospheric waveinvestment trustinvestment fundsinverse functioninverse cosecantintraocular lensintradermal testintestinal juiceintestinal floraintestinal colicinterrupted ferninternal revenueinternal nostrilinternal controlinternal auditorinterior live oakinterim overhaulintercostal veinintercom speakerinter vivos trustintangible assetinsulin reactioninstrument panelinstruction bookinstallment rateinstallment planinstallment loaninsect repellentinsect repellantinky-cap mushroominitial offeringingrian languageinfrared therapyinformed consentinfernal machineinfantile autisminfant mortalityinfant deathrateinelastic supplyindustry analystindustrial unionindustrial plantindustrial musicinduced abortionindirect requestindirect antonymindian tick feverindian rattleboxindian coral treeindian chocolateindian chieftainindian chickweedindian breadrootindian arrowrootindia-rubber treeincremental costincome tax returnincome statementincidental musicincentive schemein the same breathin the nick of timein the first placein the altogetherin fiscal mattersin a heartfelt wayimportant personimplements of warimperforate anusimmunoglobulin mimmunoglobulin eimmunoglobulin dimmersion heaterimmediate memoryimaginary numberileocolic arteryidria columnarisidesia polycarpaidentity elementice-hockey playeribn talal husseinian douglas smith
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