| indiskutabel | indisputable unquestionable |
| diskutabel | debatable |
| disputabel | disputable |
| Inkunabel | incunabulum incunable |
| indeklinabel | indeclinable undeclinable |
| indiskret | indiscreet indiscreetly |
| Dismutase | dismutase |
| inakzeptabel | unacceptable unallowable |
| instabil | unstable instable |
| prädiktabel | predictable |
| Eindickmittel | thickening agent |
| Indianertabak | bladderpod |
| Indiskretion | indiscretion |
| Windbeutel | cream puff |
| indigofarben | indigo |
| indikativ | indicative |
| Indikativ | indicative mode |
| Indianer | American Indian Amerindian Indian native American red Indian |
| Indikation | indication |
| Indikator | indicator |