| Intensivkurs | crash course |
| Interdiskurs | interdiscourse |
| intensiv | intensive intense |
| intensivieren | intensify |
| Intensivierung | intensification |
| Intension | tenseness |
| Intensität | intensity intenseness |
| Intensivtäter | repeat offender |
| Interieur | interior |
| intendiert | intended |
| Interlinear- | interlinear |
| Interlineares | interlinear |
| Internierung | internment |
| Intonierung | intonation |
| Wintersturm | winter storm |
| intrusiv | intrusive |
| Intention | intention |
| Interdikt | interdict |
| Interlingua | Interlingua |
| Interlingue | Interlingue |