| Imperativ | imperative |
| imperativ | imperative |
| Imperator | emperor |
| operativ | surgical operative operational strategic |
| Iterativ | frequentative |
| iterativ | iterative |
| imperfektiv | imperfective |
| kooperativ | cooperative |
| Superlativ | superlative |
| hyperaktiv | hyperactive |
| interaktiv | interactive |
| inspirativ | inspiring |
| Komparativ | comparative |
| ipsativ | ipsative |
| Impetigo | impetigo |
| Impresario | impresario |
| imperial | imperial |
| Impedanz | impedance |
| Imperfekt | imperfect preterimperfect |
| Imperium | empire imperium |