| intestinal | intestinal enteral |
| intentional | intentional |
| intertidal | intertidal |
| internal | internal |
| Interval | range |
| Integral | integral |
| integral | integral |
| Integrität | integrity |
| Intensität | intensity intenseness |
| Intention | intention |
| Interlingue | Interlingue |
| Internat | boarding school |
| interlinear | interlinear |
| interlingual | interlingual |
| international | international |
| Untertitel | subtitle caption subtitles |
| Testikel | testicle |
| Ingestion | ingestion |
| bestial | brutish |
| Festival | festival |