| Imperator | emperor |
| imperatorisch | imperatorial |
| Imperativ | imperative |
| imperativ | imperative |
| Operator | operator administrator |
| Iterator | iterator |
| Temperatur | temperature |
| Superatom | superatom |
| Generator | generator |
| Moderator | moderator host master of ceremonies |
| Inspirator | inspirer |
| Komparator | comparator |
| Prätor | praetor |
| Imitator | imitator aper |
| Impetigo | impetigo |
| Implikatur | implicature |
| imperial | imperial |
| Impedanz | impedance |
| Impeller | impeller |
| Imperfekt | imperfect preterimperfect |