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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.

Best Scoring 15-Letter Words Starting: I

RankWordSave?LengthUsagePointsType
1immunocomplexes15
32 nounn
2ichthyophagists15
32 nounn
3inexplicability15
31 nounn
4immobilizations15
30 nounn
5individualizing15
30 verb, adjectivev, adj
6inexpugnability15
30 nounn
7ichthyodorylite15
30 noun, adjectiven, adj
8improvisatrixes15
29 nounn
9incentivization15
29 nounn
10immunochemistry15
29 nounn
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All 15 Letter Words Starting: I

Words (507)
internationally18insubordination18instantaneously18inappropriately24intussusception19inconsequential26interchangeable23intercollegiate18indemnification23inaccessibility24incompatibility26inconveniencing23impressionistic21instrumentation17individualistic22intellectualism19intellectuality20improvisational22interscholastic22interventionist18inquisitiveness27intellectualize26infinitesimally23interconnection19instrumentality20invulnerability23inconspicuously24inexpensiveness27introspectively25internalisation15incommunicative26industriousness16irresistibility20inconsideration18inspirationally20interrogatories16incommensurable23incomprehension24inconsiderately21interdependence21interventionism20instrumentalist17intensification20incomprehensive27ineffectiveness26interdependency24interrogatively22interest-bearingimprovisatrixes29indeliblenesses18interuniversity21interjaculating25insufficiencies25interchangement23interjaculatory27innumerableness19interestingness16indubitableness20inheritableness20interpellations17irremissibility22imaginarinesses18implicativeness24institutionally18impassionedness20infantilisation18interjectionary27inconsecutively25interpenetrable19ionospherically25improvvisatores25impassivenesses22improvvisatrice27interpenetrated18intervalometers20intricatenesses17informationally23interpenetrates17irremovableness22interperceptual21inconsistencies19informativeness23ignominiousness18inconsolability22infantilization27inobtrusiveness20interpermeating20irreparableness19interpersonally20irrepealability22interclavicular22interphalangeal21inoculabilities19inopportuneness19immiscibilities23irreprehensible22italian-speakinginductivenesses21invertibilities20irreprehensibly25intrinsicalness17insidiousnesses16immiserisations19inhomogeneities21intercolonially20instrumentalism19insignificances23interlacustrine17inodorousnesses16iterativenesses18immiserizations28indeterminacies20inhospitalities20inoffensiveness24insignificative24irresolvability23inconveniencies22indeterminately21intervisibility23ichthyosauridaeimpulsivenesses22infralapsarians20inofficiousness23intercommunions21intervisitation18infeasibilities20inoperabilities19insuperableness19interlaminating18investigational19infrangibleness21interlamination17imperishability27indeterministic20insubstantially20incentivisation20irasciblenesses19indisputability23inoperativeness20imperishingnessimpeccabilities25intercomparison21incoordinations18impecuniosities21incentivization29inopportunities19interconnecting20interweavements23infectivenesses23interconnectors19irretentiveness18infrastructural20isoimmunisation19impermeableness23infrastructures20isoimmunization28interconnexions24irrevocableness22interconversion20imputablenesses21immeasurability24immobilisations21inimitabilities19interconverting21impoliticnesses21inorganisations16interpopulation19invidiousnesses19imponderability25inorganizations25intercorrelated18intercorrelates17immobilizations30industrialising17incorrectnesses19incorrigibility23icositetrahedra21incessantnesses17industrializing26infundibuliform26introspectional19initialisations15insociabilities19irritablenesses17importabilities21interlineations15interpretations17introsusception19invincibilities22initializations24interpretership22inviolabilities20incorruptnesses19intangibilities18interpretresses17interculturally20interprovincial22infusiblenesses20inviolatenesses18integrabilities18immortalisation19interpunctuated20intrusivenesses18inadvisableness21interpunctuates19invisiblenesses20inalienableness17implausibleness21insurrectionary20inalterableness17incredibilities20insolublenesses17insurrectionism19immortalization28insurrectionist17incredulousness18ineducabilities20interlocutorily20involuntariness18indifferentisms24insolvabilities20integrationists16indifferentists22interlocutrices19isoagglutinogenineffablenesses23interlocutrixes24intractableness19impossibilities21incrementalisms21imperfectnesses24intuitionalisms17immovablenesses24inanimatenesses17incrementalists19indigenisations17intuitionalists15immoveabilities24intellectualise17intellectualist17imposthumations24indetermination18intuitivenesses18intralinguisticindigenizations26insensitiveness18illegalisations16interelectrodesineligibilities18ingeniousnesses16intelligentsias16intramuscularly22intelligentzias25interdiffusions22identicalnesses18illegalizations25isoperimetrical21identifications21inappreciations21ineludibilities18ingenuousnesses16inquisitionists24immunoassayable24inapprehensible24incrossbreeding21inquisitorially27interdigitating18interdigitation17interinfluencedimmunoassayists22inapprehensions22illegiblenesses18internalization24interrogatingly20interrogational16intussuscepting20immunoblottings22imperiousnesses19injuriousnesses22interdivisional19intussusceptive22intolerableness17illegitimations18interrogatorily19intrasententialimmunocomplexes32interelectronic19immunodiagnoses21inequitableness26inspirationisms19ill-proportionedimmunodiagnosis21importunateness19immunodiffusion26inspirationists17imperscriptible25iatrogenicities18ineradicability23incommutability26immunogenetical22inclementnesses19ismaticalnesses19immunochemistry29incomparability26immunogenically25intermediations18ideographically27immunocompetent25impersonalising20immunoglobulins22impersonalities19inarticulations17immunodeficient25insignificantly24immunomodulator22impoverishments27intelligibility21illiberalnesses17impersonalizing29inerrablenesses17indisciplinable22interoperativesillimitableness19immunoreactions21inaudiblenesses18interfascicular22impracticalness23insatiabilities17intemperateness19inculpabilities21immunotherapies24indiscretionary21ingrainednesses17insatiatenesses15imprecisenesses21injudiciousness25imperturbations21intermigrations18interminability22idiomaticalness20imperviableness24interferometers20immunologically25impregnableness22interferometric22idiomaticnesses20immutablenesses21immunopathology28idiomorphically28imitativenesses20indissolubility21inestimableness19intensivenesses18inevitabilities20intersexualisms24inscribableness21intermittencies19irreligiousness16instantaneities15inclusivenesses20indistinctively24inexcusableness26inflammableness24indistributable20incongruousness18illogicalnesses18incurablenesses19irrationalising16imprescriptible25impetuousnesses19imprescriptibly28intracellularly20idiosyncratical23inscrutableness19intracerebrally22interactionisms19intermodulation18irrationalistic17incuriousnesses17interactionists17irrationalities15idioticalnesses18inexorabilities24interactivities20intradermically23irrationalizing25individualisers20individualising21intrafascicular22interfraternity21inadmissibility23ineffaceability28incalculability24individualities20impalpabilities23interambulacral21individualizers29interambulacrum23individualizing30inflectednesses21interanimations17irreciprocities21immaterialising20incandescencies22ineffectualness23intergeneration16inefficaciously28incommensurably26interstratified19intransigeances18irreversibility23immaterialities19inexplicability31interstratifies18intersubjective29intransigeantly19irreconcilables21implacabilities23immaterializing29indivisibleness21inexpugnability30intergradations17invariabilities20inflexibilities27intransigencies18irreconcilement21ichthyodorulite27intertanglement18intransigentism18ichthyodorylite30inextensibility27instinctivities20intransigentist16improbabilities23irredeemability23inextricability29interbehavioral23intertentacular17intransmissible19immediatenesses20incapablenesses21indoctrinations18illustriousness15inapplicability26interchangeably26immedicableness24infallibilities20intertextuality25irreducibleness20incapaciousness21irreductibility23internucleotide18intraperitoneal17innocuousnesses17invectivenesses23incapacitations21immensurability24intrapopulation19interindividual20indomitableness20intrapreneurial17impecuniousness21ichthyophagists32improvabilities24insensatenesses15insensibilities17interinfluences20irreformability25inharmonicities22incomputability26insensitivities18interreflectionirrefragability24inattentiveness18indigestibility22interiorisation15implementations21indefeasibility24inseparableness19interosculating18intravascularly23invendibilities21impartialnesses19innoxiousnesses22instructiveness20interosculation17irrefutableness20ichthyosaurians26impartibilities21indefectibility26instructorships22intertwinements20ichthyosauruses26interiorization24indefensibility24indefinableness21impenetrability24impassabilities21incriminatinglyimprovisatorial22intertwistingly22imaginativeness21interparoxysmal29improvisatrices24insubordinately21inventivenesses21impassibilities21
Phrases (138)
iridaceous plantitalian dressingin a heartfelt wayitalian languageindirect antonyminstruction bookisatis tinctoriaitalian republicinverse cosecantin all likelihood ...
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