| inchoativ | inceptive inchoative |
| indikativ | indicative |
| Indikativ | indicative mode |
| innovativ | innovative |
| Incentive | incentive |
| psychoaktiv | psychoactive |
| Schottin | Scotswoman Scot |
| Illativ | illative case |
| Iterativ | frequentative |
| iterativ | iterative |
| inspirativ | inspiring |
| Imperativ | imperative |
| imperativ | imperative |
| Initiative | initiative |
| Negativ | negative |
| negativ | negative |
| informativ | informative |
| ipsativ | ipsative |
| narrativ | narrative |
| nativ | native |