| Invention | invention |
| Intention | intention |
| Inversion | anastrophe |
| Konvention | convention |
| Ingestion | ingestion |
| Infektion | infection |
| Injektion | injection shot |
| Intension | tenseness |
| Invasion | invasion |
| Invektive | invective scolding |
| Inventar | inventory stock |
| Inventur | inventory |
| Investition | investment |
| Investor | investor |
| inventieren | invent |
| Aventin | Aventine Hill |
| Intervention | intervention |
| Prävention | prevention |
| Subvention | subsidy subvention |
| Detention | detention |