| Infiltration | infiltration |
| Filtration | filtration |
| Infestation | infestation |
| Infixation | infixation |
| Inflation | inflation |
| Initiation | initiation |
| Information | information |
| infiltrieren | infiltrate |
| Konfiguration | configuration |
| Affiliation | affiliation |
| Illustration | illustration |
| Titration | titration |
| Defloration | defloration |
| Immigration | immigration |
| Inauguration | inauguration |
| Inspiration | inspiration |
| Integration | integration |
| Irritation | irritation |
| Imitation | imitation |
| Indikation | indication |