| Interregnum | interregnum |
| Hinterraum | snug |
| Interrex | interrex |
| Interieur | interior |
| Interludium | interlude |
| Internodium | internode internodal segment |
| Untermenü | submenu |
| Hinterende | back |
| Interaktom | interactome |
| Interferon | interferon |
| Interpretin | performer |
| Interruptio | abortive |
| Wintergrün | wintergreen |
| interventiv | interventive intervention |
| Hinterbein | hind leg |
| Integrand | integrand |
| Interesse | interest concern |
| Interferenz | interference |
| Interim | interim meantime arrangement solution temporary |
| Interlingua | Interlingua |