| Impetus | impetus |
| Iapetus | Iapetus |
| Iapetos | Iapetus |
| Japetus | Iapetus |
| Impetigo | impetigo |
| Imperium | empire imperium |
| Impuls | impulse momentum |
| importun | annoying |
| Pompeius | Pompey |
| Japetos | Iapetus |
| Petrus | Peter |
| Fetus | fetus foetus |
| Ambitus | ambitus |
| Iktus | ictus |
| Imperator | emperor |
| Importgut | import |
| Pimpernuss | bladdernut |
| imperial | imperial |
| Gimpel | bullfinch |
| Impala | impala |