| Imperfektum | imperfect |
| Imperfekt | imperfect preterimperfect |
| imperfektiv | imperfective |
| Perfektum | perfective aspect |
| Imperfektion | imperfection |
| Imperium | empire imperium |
| Impressum | imprint masthead |
| Perfekt | perfect |
| perfekt | perfect |
| perfektiv | perfective |
| Imperator | emperor |
| Impromptu | impromptu |
| Imperativ | imperative |
| imperativ | imperative |
| Impetus | impetus |
| Importeur | importer |
| Imprimatur | imprimatur |
| impermeabel | impermeable |
| importun | annoying |
| Perfektion | perfection |