- indexer
- ip
- information science
- information processing
- impelled
- initial rhyme
- intercrossed
- immune carrier
- impossibleness
- imperfective aspect
- interphone
- immatureness
- infant school
- infant deathrate
- improving
- indissoluble
- indivisible
- inverse cosecant
- in his hand
- imposing
- impending
- in_person
- in_law
- ineptly
- incontinency
- internal revenue
- interdiction
- inner urge
- innerconflict
- International Society for Krishna Consciousness
- incased
- ingrown
- ingrian
- intelligence officer
- Immaculate Conception of the Virgin Mary
- imitation is the sincerest flattery
- intuitionism
- irridentism
- inscrutability
- inscrutably
- intelligence analyst
- interminably
- intermetallic
- interluminal
- inkblot
- iron tree
- imbauba
- in straitened circumstances
- iron disulfide
- inflorescence