17-Letter Words Starting With I
Looking for seventeen-letter words that start with I? There are 158 of them in the ENABLE dictionary, and every one is on this page. The most common, like INTERDISCIPLINARY, INTERGOVERNMENTAL, INSTITUTIONALIZED, sit right at the top.
Unlike alphabetical lists that bury likely answers in the middle, this list is sorted by how often each word appears in everyday English. Scan the first rows for probable answers; dig deeper for rare, high-scoring plays.
Most common
- interdisciplinary25
- intergovernmental23
- institutionalized27
- indistinguishable24
- industrialization27
- intergenerational18
- immunosuppressive28
- interdepartmental22
- incompatibilities25
- internationalized27
- interrelationship22
- immunosuppression25
- interdependencies23
- institutionalised18
- immunocompromised30
- instrumentalities19
- interprofessional22
- individualization31
- intraperitoneally22
- immunofluorescent26
All 158 words (the small number on each word is its Scrabble point value)
- inappropriateness 23
- immunosuppressant 25
- internationalists 17
- intersubjectivity 34
- internationalised 18
- immunotherapeutic 28
- immunoprecipitate 27
- institutionalizes 26
- idiosyncratically 28
- ignominiousnesses 20
- illimitablenesses 21
- illusionistically 22
- illustriousnesses 17
- imaginativenesses 23
- immunochemistries 28
- immunocompetences 29
- immunogenetically 27
- immunogeneticists 24
- immunohematologic 29
- immunopathologies 27
- immunopathologist 27
- immunoregulations 22
- immunosuppressing 26
- impecuniousnesses 23
- impenetrabilities 23
- imperialistically 26
- imperishabilities 26
- impersonalization 30
- implicativenesses 26
- imponderabilities 24
- importunatenesses 21
- impregnablenesses 24
- impressionability 26
- improvisationally 27
- inaccessibilities 23
- inadmissibilities 22
- inalterablenesses 19
- inapplicabilities 25
- inattentivenesses 20
- incalculabilities 23
- incommunicability 30
- incomparabilities 25
- inconceivableness 26
- incongruousnesses 20
- inconsequentially 31
- inconsiderateness 20
- inconspicuousness 23
- incorrigibilities 22
- indefatigableness 24
- indefeasibilities 23
- indefectibilities 25
- indefensibilities 23
- indefinablenesses 23
- indescribableness 24
- indestructibility 25
- indeterminateness 20
- indigestibilities 21
- indiscriminations 22
- indispensableness 22
- indissolubilities 20
- indistinguishably 27
- indomitablenesses 22
- indubitablenesses 22
- industriousnesses 18
- ineffaceabilities 27
- ineffectivenesses 28
- ineffectualnesses 25
- inefficaciousness 27
- ineradicabilities 22
- inexcusablenesses 28
- inexhaustibleness 29
- inexpensivenesses 29
- inexplicabilities 30
- inexpressibleness 28
- inextricabilities 28
- inflammablenesses 26
- informativenesses 25
- inheritablenesses 22
- injudiciousnesses 27
- inoffensivenesses 26
- inoperativenesses 22
- inopportunenesses 21
- inquisitivenesses 29
- inscrutablenesses 21
- insensitivenesses 20
- inseparablenesses 21
- insolubilizations 28
- instantaneousness 17
- institutionalises 17
- institutionalisms 19
- institutionalists 17
- instructivenesses 22
- insurrectionaries 19
- intellectualistic 21
- intellectualities 19
- intellectualizers 28
- intellectualizing 29
- intelligibilities 20
- intemperatenesses 21
- interassociations 19
- interavailability 25
- intercalibrations 21
- intercolumniation 21
- intercommunicated 26
- intercommunicates 25
- intercorrelations 19
- interestingnesses 18
- internationalises 17
- internationalisms 19
- internationalizes 26
- interpenetrations 19
- interpopulational 21
- interstimulations 19
- intersubjectively 34
- intertranslatable 19
- intervisibilities 22
- intolerablenesses 19
- intrathoracically 27
- introspectionisms 23
- introspectionists 21
- introspectiveness 24
- involuntarinesses 20
- invulnerabilities 22
- iontophoretically 27
- irreconcilability 26
- irrecoverableness 24
- irreformabilities 24
- irrefragabilities 23
- irreparablenesses 21
- irrepealabilities 21
- irreplaceableness 23
- irreproachability 29
- irreproducibility 27
- irresistibilities 19
- irresponsibleness 21
- irreversibilities 22
- irrevocablenesses 24
- isoelectronically 24
Points use Scrabble US letter values
Frequently asked questions
How many seventeen-letter words are there that start with I?
There are 158 seventeen-letter words that start with I in the ENABLE dictionary. The most common are INTERDISCIPLINARY, INTERGOVERNMENTAL, INSTITUTIONALIZED.
What are common seventeen-letter words that start with I?
INTERDISCIPLINARY, INTERGOVERNMENTAL, INSTITUTIONALIZED, INDISTINGUISHABLE, INDUSTRIALIZATION are the most frequently used. The full list of 158 words on this page is sorted by everyday frequency, so the common ones come first.
Can I play these words in Scrabble?
Not on a standard board: Scrabble boards are 15 squares wide, so seventeen-letter words physically cannot be played. These words come from the ENABLE dictionary and shine in crosswords, spelling bees, and vocabulary study.
Starting with I in other lengths
- 2-Letter Words Starting With I
- 3-Letter Words Starting With I
- 4-Letter Words Starting With I
- 5-Letter Words Starting With I
- 6-Letter Words Starting With I
- 7-Letter Words Starting With I
- 8-Letter Words Starting With I
- 9-Letter Words Starting With I
- 10-Letter Words Starting With I
- 11-Letter Words Starting With I
- 12-Letter Words Starting With I
- 13-Letter Words Starting With I
- 14-Letter Words Starting With I
- 15-Letter Words Starting With I
- 16-Letter Words Starting With I
- 18-Letter Words Starting With I
- 19-Letter Words Starting With I
- 20-Letter Words Starting With I