| Indogermanist | Indo-Europeanist |
| Indogermanistik | Indo-European studies |
| Indogermanistin | Indo-Europeanist |
| Indogermanin | Indo-European |
| Indogermanisch | Indo-European Proto-Indo-European |
| indogermanisch | Indo-European Indoeuropean Indo-Germanic Indogermanic |
| Indogermane | Indo-European |
| Urindogermanisch | Proto-Indo-European |
| urindogermanisch | Indo-European |
| Germanist | Germanist |
| Urindogermane | Proto-Indo-European |
| Indoiranisch | Indo-Iranian language group |
| Informant | ear informant |
| Internist | internist |
| Indianermeise | tufted titmouse |
| Lindgrenit | lindgrenite |
| Hindernis | obstacle barrier hurdle impediment fence |
| Indeterminismus | indeterminism |
| Individualist | individualist |
| Indossament | endorsement |