13-Letter Words Starting With I

There are 646 13-letter words that start with I. 305 are common words, such as ICHTHYOLOGIES and ICHTHYOLOGIST. A rarer one is ISOTONICITIES. In this set, N is the most frequent open letter (579 words). 226 words contain a doubled letter.

Full list 646

Common words

ichthyologiesichthyologisticonographiesidealizationsideologicallyidiomaticallyidiosyncraticignominiouslyillicitnessesilluminationsillustrationsillustriously
ichthyologiesichthyologisticonographiesidealizationsideologicallyidiomaticallyidiosyncraticignominiouslyillicitnessesilluminationsillustrationsillustriouslyimaginativelyimitativenessimmaterialityimmediatenessimmortalitiesimmortalizingimmunizationsimmunologicalimmunologistsimpassibilityimpassivenessimpassivitiesimpeccabilityimpecuniouslyimperceptibleimperceptiblyimperfectionsimperfectnessimperialisticimperiousnessimpermanencesimpermanentlyimpermissibleimpersonatingimpersonationimpersonatorsimpertinencesimpertinentlyimperturbableimperturbablyimpetuositiesimpetuousnessimpiousnessesimplacabilityimplantationsimplementableimponderablesimportunatelyimportunitiesimpossibilityimpoverishingimpracticableimpracticablyimpracticallyimprecisenessimpregnationsimpressionismimpressionistimprisonmentsimprobabilityimproprietiesimprovidencesimprovidentlyimprovisationimpulsivenessinactivationsinadvertencesinadvertentlyinanimatenessinappreciableinappreciablyinappropriateinattentivelyinaugurationsincandescenceincapacitatedincapacitatesincarceratingincarcerationincarnadiningincinerationsinclusivenessincombustibleincommunicadoincompatiblesincompetencesincompetentlyinconceivableinconceivablyincongruitiesincongruouslyinconsiderateinconsistencyinconspicuousinconstanciesincontestableincontestablyincontinencesinconvenienceincorporatingincorporationincorrectnessincorruptibleincorruptiblyincredibilityincredulitiesincredulouslyincriminatingincriminationincriminatoryincrustationsindefatigableindefatigablyindependencesindependentlyindescribableindescribablyindeterminacyindeterminateindifferencesindifferentlyindiscernibleindiscretionsindispensableindispensablyindispositionindividualismindividualistindividualityindividualizeindividuatingindividuationindoctrinatedindoctrinatesindustrialismindustrialistindustrializeindustriouslyineffectivelyineffectuallyinefficientlyineligibilityinevitabilityinexactnessesinexhaustibleinexhaustiblyinexpediencesinexpensivelyinexperiencedinexperiencesinexpressibleinexpressiblyinfallibilityinferioritiesinfertilitiesinfiltrationsinfinitesimalinflammationsinflexibilityinflorescenceinfluentiallyinformalitiesinformationalinformativelyinfotainmentsinfrequenciesinfringementsinfuriatinglyingeniousnessingenuousnessingratiationsinjudiciouslyinnocuousnessinoffensivelyinopportunelyinorganicallyinquisitionalinquisitivelyinquisitorialinsatiabilityinsectivorousinseminationsinsensibilityinsensitivelyinsensitivityinsidiousnessinsignificantinsinceritiesinspectoratesinspirationalinstabilitiesinstallationsinstantaneousinstantiatinginstillationsinstinctivelyinstitutionalinstructionalinstructivelyinstrumentalsinstrumentinginsubordinateinsubstantialinsufficiencyinsupportableinsurrectionsinsusceptibleintangibilityintellectualsintelligencesintelligentlyintemperancesintemperatelyintensivenessintentionallyinteractivelyinterbreedinginterceptionsintercessionsinterchanginginterconnectsinterculturalinterdictionsinterestinglyinterferencesintergalacticinterjectionsinterlocutorsinterlocutoryintermarriageintermarryingintermediatesinterminglingintermissionsinternalizinginternationalinterpersonalinterpolatinginterpolationinterpositioninterrelatinginterrelationinterrogatinginterrogationinterrogativeinterrogatorsinterrogatoryinterruptionsintersectionsintersessionsinterspersinginterspersioninterventionsintimidationsintoxicationsintramuscularintransigenceintransigentsintransitivesintravenousesintravenouslyintrepiditiesintrinsicallyintroductionsintrospectingintrospectionintrospectiveintroversionsintrusivenessintuitivenessinvalidationsinvariabilityinventivenessinvertebratesinvestigatinginvestigationinvestigativeinvestigatorsinvestigatoryinvidiousnessinvigorationsinvincibilityinviolabilityinvitationalsinvoluntarilyirksomenessesirrationalityirreclaimableirrecoverableirrecoverablyirrelevanciesirreplaceableirrepressibleirrepressiblyirresolutionsirresponsibleirresponsiblyirretrievableirretrievablyisolationismsisolationistsisometricallyitalicizationichthyosaurusidenticalnessideogrammaticignoblenessesilliberalnessillocutionaryilluminometerillusionisticimmaterialismimmaterializeimmensenessesimmiscibilityimmoderationsimmunotherapyimpalpabilityimparipinnateimpassabilityimpecuniosityimperfectivesimpersonalityimpersonalizeimplicationalimplicativelyimprovisatoryincantationalincapablenessincardinationincendiarismsincessantnessinclinometersincoherenciesincombustiblyincondensableincongruentlyinconsecutiveinconsequenceincontinentlyinconveniencyinconvertibleinconvincibleincorporativeincorporeallyincorruptionsincrementallyindentureshipindeterminismindictabilityindiscerniblyindisciplinesindistinctiveindoctrinatorinductivenessinefficaciousinexactitudesinexorabilityinfallibilisminfeasibilityinferentiallyingurgitatinginhabitanciesinhomogeneityinhomogeneousinhospitalityinimitabilityinjuriousnessinopportunityinscriptionalinsensatenessinsinuatinglyinsipidnessesinstantaneityinstantiationinstaurationsinsufflationsinsupportablyintegrabilityintegumentaryintellectionsintelligencerintensionallyinteractivityintercalatingintercalationintercellularinterclavicleinterdigitateinteriorizinginterlacementinterlaminateinterlanguageinterlocutioninterlocutrixinterlunationintermittenceintermittencyintermixturesinteroperableinteroperatesinterosculateinterpellatedinterpellatesinterpolativeinterpretableintersiderealinterstratifyintracellularintransigencyintratelluricintravasationintrogressionintrojectionsintromissionsintuitionallyintuitionismsintumescencesinvaginationsinviolatenessinvolutionaryirrationalizeirrefrangibleirreligiouslyirreverentialirritablenessisoagglutininisodimorphismisoelectronicichthyofaunaeichthyofaunalichthyofaunasiconographersidiomaticnessilliberalismsilliquiditiesillogicalnessimaginarinessimagisticallyimmanentisticimmaterialistimmigrationalimmortalisingimmortalizersimmovablenessimmunochemistimmunogenesesimmunogenesisimmunogeneticimmunosorbentimmutablenessimperceivableimpercipienceimperishablesimpermissiblyimpoliticallyimpoverishersimprovabilityimprovisatoreimprovisatoriimprovisatorsimpulsivitiesinarticulatesincalescencesincandescentsinclinationalincognizancesincommoditiesincongruencesinconsistenceinconsonancesinconvertiblyincorporatorsincorrigiblesincorruptnessincuriositiesincuriousnessindehiscencesindeterministindigestiblesindisciplinedindissociableindissociablyindividualiseindomethacinsindustrialiseineducabilityineffablenessinegalitarianinexpedientlyinexplainableinfantilitiesinfantilizinginfectivitiesinfibulationsinflationismsinflationistsinfluenceable

About this list

Words
646 (305 common words)
Common example
ichthyologies
Rare example
isotonicities
Doubled letters
226
Ending in S
244
Most frequent letter
N (579)

Questions

How many 13-letter words starting with i are there?

646. 305 of them are common words.

What is a common example?

ICHTHYOLOGIES is among the common words in this set.