Common 15-letter words that start with I
With their Scrabble points and, for the first ten, a short meaning, most used first.
- internationally★18in an international manner
- instrumentation★17the act of instrumenting
- implementations★21the act of implementing
- interpretations★17the act of interpreting
- interconnection★19a state of being connected reciprocally
- infrastructures★20the basic structure or features of a system or organization
- interchangeable★23capable of being interchanged
- inconsistencies★19the quality of being inconsistent
- intercollegiate★18used of competition between colleges or universities
- indemnification★23the act of indemnifying
All 509 words
IA…
15-letter words starting with IA (1)
Top score: IATROGENICITIES, 18 points
IC…
15-letter words starting with IC (6)
Top score: ICHTHYOPHAGISTS, 32 points
ID…
15-letter words starting with ID (8)
Top score: IDIOMORPHICALLY, 28 points
IG…
15-letter words starting with IG (1)
Top score: IGNOMINIOUSNESS, 18 points. the quality of being ignominious
IL…
15-letter words starting with IL (8)
Top score: ILLEGALIZATIONS, 25 points. the act of illegalizing
IM…
15-letter words starting with IM (89)
Top score: IMMUNOCOMPLEXES, 32 points
implementations★21immunocomplexesUK32immobilizations30immaterializing29immunochemistry29impersonalizing29improvisatrixesUK29immiserizationsUK28immortalization28immunopathology28imprescriptiblyUK28imperishability27impoverishments27improvvisatriceUK27immunodiffusion26
Show all 89Show fewer
immunocompetent25immunodeficient25immunogenicallyUK25immunologically25impeccabilities25imperscriptibleUK25imponderability25imprescriptiblenot in WWF25improvvisatoresUK25immeasurabilitynot in WWF24immedicablenessUK24immensurabilityUK24immovablenesses24immoveabilitiesUK24immunoassayable24immunotherapies24impenetrability24imperfectnesses24imperviablenessUK24implicativeness24imposthumationsUK24improvabilities24improvisatricesUK24immiscibilities23impalpabilities23impermeablenessUK23implacabilities23impracticalnessUK23improbabilities23immersivenessesnot in WWF22immunoassayistsUK22immunoblottings22immunogeneticalUK22immunoglobulins22immunomodulator22impassivenesses22impregnableness22improvisational22improvisatorial22impulsivenesses22imaginativeness21immobilisationsnot in WWF21immunodiagnoses21immunodiagnosis21immunoreactionsUK21immunostimulantUK21immutablenesses21impartibilitiesUK21impassabilities21impassibilities21impecuniosities21impecuniousness21imperturbationsUK21implausiblenessUK21impoliticnessesUK21importabilitiesUK21impossibilities21imprecisenesses21impressionistic21imputablenessesUK21imitativenesses20immaterialisingUK20immediatenesses20impassionednessUK20impersonalisingUK20immaterialities19immiserisationsUK19immortalisationUK19impartialnessesUK19imperiousnesses19impersonalities19impetuousnesses19importunateness19imaginarinesses18
IN…
15-letter words starting with IN (361)
Top score: INEXPLICABILITY, 31 points. the quality of being inexplicable
internationally★18instrumentation★17interpretations★17interconnection★19infrastructures★20interchangeable★23inconsistencies★19intercollegiate★18indemnification★23inexplicability31individualizing30inexpugnabilityUK30incentivizationUK29individualizersUK29inextricability29
Show all 361Show fewer
informatizationUK29interparoxysmal29intersubjective29ineffaceability28inefficaciously28incomprehensiveUK27inexpensiveness27inextensibilityUK27infantilization27inflexibilities27inquisitiveness27inquisitorially27interjaculatoryUK27interjectionaryUK27inapplicability26incommensurably26incommunicative26incommutabilityUK26incomparability26incompatibility26incomputabilityUK26inconsequential26indefectibility26indigenizations26industrializing26ineffectiveness26inequitablenessUK26inexcusableness26infundibuliform26intellectualize26interchangeably26inconsecutivelyUK25injudiciousness25inorganizationsUK25insufficiencies25intelligentziasUK25interjaculatingUK25intertextualitynot in WWF25introspectively25inaccessibility24inapprehensibleUK24inappropriately24incalculability24incomprehension24inconspicuously24indefeasibility24indefensibility24indifferentisms24indistinctivelyUK24inexorabilities24inflammableness24initializations24inoffensiveness24inquisitionistsUK24insignificantly24insignificativeUK24interconnexionsUK24interdependency24interiorization24interlocutrixesUK24internalization24intersexualismsUK24inadmissibility23incommensurable23inconveniencing23incorrigibility23indisputabilitynot in WWF23ineffablenesses23ineffectualness23ineradicability23infectivenessesUK23infinitesimally23informationally23informativeness23inofficiousnessUK23insignificances23interambulacrumUK23interbehavioral23interbehavioursUK23interchangementUK23internetworkingnot in WWF23intervisibility23interweavementsUK23intradermicallyUK23intravascularly23invectivenesses23invulnerability23inapprehensionsUK22incandescenciesUK22inconsolabilityUK22inconveniencies22indifferentists22indigestabilitynot in WWF22indigestibility22indisciplinable22individualistic22inharmonicitiesUK22injuriousnesses22innoxiousnessesUK22instructorships22interclavicularUK22interdiffusions22interfascicularUK22interferometric22interminabilityUK22interpretershipUK22interprovincial22interrogatively22interscholastic22intertwistinglyUK22intracerebrally22intrafascicularUK22intramuscularly22intussusceptive22invincibilities22inadvisablenessUK21inappreciationsUK21incapablenesses21incapaciousnessUK21incapacitations21inconsiderately21incrementalisms21incrossbreedingUK21inculpabilitiesUK21indefinableness21indeterminately21indiscretionaryUK21indissolubility21individualising21indivisiblenessUK21inductivenessesUK21inflectednessesUK21infrangiblenessUK21inhomogeneities21inscribablenessUK21insubordinately21intelligibility21interambulacralUK21intercommunions21intercomparison21interconverting21interdependence21interfraternity21interinfluenced21interperceptual21interphalangeal21interuniversity21invendibilitiesUK21inventivenesses21incentivisationUK20inclusivenesses20incredibilities20indeterminacies20indeterministic20indistributableUK20individualisersUK20individualities20indomitableness20indubitableness20ineducabilities20inevitabilities20infallibilities20infeasibilities20informatisationUK20infralapsariansUK20infrastructuralnot in WWF20infusiblenesses20inheritableness20inhospitalities20inobtrusivenessUK20inoperativeness20insolvabilitiesUK20inspirationally20instinctivitiesUK20instructiveness20instrumentality20insubstantiallynot in WWF20insurrectionary20intellectuality20intensification20interactivitiesnot in WWF20intercoloniallyUK20interconnecting20interconversion20interculturally20interferometers20interindividual20interinfluences20interlocutorilyUK20interoperatives20interpermeating20interpersonally20interpunctuatedUK20interrogatinglyUK20intertwinements20intervalometers20interventionism20intracellularly20intussuscepting20invariabilities20invertibilitiesnot in WWF20inviolabilities20invisiblenesses20inclementnessesUK19incorrectnesses19incorruptnesses19incrementalists19incurablenessesUK19inestimablenessUK19inimitabilitiesnot in WWF19innumerablenessUK19inoculabilitiesUK19inoperabilitiesUK19inopportuneness19inopportunitiesUK19inscrutableness19inseparableness19insociabilities19inspirationismsUK19instrumentalism19insuperablenessUK19insurrectionismUK19intellectualism19intemperateness19interactionismsnot in WWF19interconnectorsUK19interdependentsnot in WWF19interdivisional19interelectronic19interlocutricesUK19intermittencies19interpenetrableUK19interpopulation19interpunctuatesUK19interrogatorilyUK19interstratified19intractablenessUK19intransigeantly19intransmissibleUK19intrapopulation19introspectional19introsusceptionUK19intussusception19investigational19invidiousnesses19inattentiveness18inaudiblenessesUK18incongruousness18inconsideration18incoordinations18incredulousnessnot in WWF18indeliblenessesUK18indetermination18indoctrinations18ineligibilities18ineludibilitiesUK18infantilisationUK18insensitiveness18insensitivities18instantaneously18institutionally18insubordination18intangibilities18integrabilities18intensivenesses18intercorrelated18interdigitating18interelectrodes18interlaminatingUK18intermediations18intermigrationsUK18intermodulation18internucleotide18interosculatingUK18interpenetrated18interruptednessnot in WWF18interstratifies18intertanglementUK18interventionist18intervisitation18intransigeances18intransigenciesnot in WWF18intransigentismUK18intrusivenesses18intuitivenesses18inviolatenesses18involuntariness18inalienablenessUK17inalterableness17inanimatenesses17inarticulationsUK17incessantnessesUK17incuriousnesses17indigenisationsUK17industrialising17inerrablenessesUK17ingrainednessesUK17innocuousnesses17insatiabilities17insensibilities17insolublenesses17inspirationistsUK17instrumentalist17insurrectionist17intellectualisenot in WWF17intellectualist17interactionistsnot in WWF17interanimations17intercorrelates17interdigitation17intergradations17interlacustrine17interlaminationUK17interosculationUK17interpellations17interpenetrates17interpretressesUK17intersectionalsnot in WWF17intertentacularUK17intolerableness17intraperitoneal17intrapreneurial17intricatenesses17intrinsicalnessUK17intuitionalismsnot in WWF17industriousness16ingeniousnesses16ingenuousnesses16inodorousnessesUK16inorganisationsUK16insidiousnesses16integrationists16intelligentsias16interestingness16intergeneration16interrogational16interrogatories16intransigentistUK16initialisationsUK15insatiatenesses15insensatenessesUK15instantaneities15interiorisationUK15interlineations15internalisationnot in WWF15intuitionalistsUK15
IO…
15-letter words starting with IO (1)
Top score: IONOSPHERICALLY, 25 points. in an ionospheric manner
IR…
15-letter words starting with IR (28)
Top score: IRRATIONALIZING, 25 points (tied with two others)
IS…
15-letter words starting with IS (5)
Top score: ISOIMMUNIZATION, 28 points
IT…
15-letter words starting with IT (1)
Top score: ITERATIVENESSES, 18 points
About these words
- 509 of the 6,260 15-letter words start with I (8%), the fourth most of any letter.
- 333 are good in NWL2023, 499 in Collins Scrabble Words, 332 in WOW24 and 308 in the Words With Friends list. 10 are everyday words.
- In Scrabble points, ichthyophagists and immunocomplexes share the top score (32), then inexplicability (31), then four words on 30.