| Inuktitut | Inuktitut |
| Institut | institute institution institution building legal institution |
| Inunktion | embrocation unction |
| Induktivität | inductance |
| Induktion | induction electromagnetic induction mathematical induction |
| induktiv | inductively |
| inaktiv | dormant |
| Substitut | surrogate |
| Entität | entity |
| Identität | identity |
| Mutität | muteness |
| Introitus | introit |
| in situ | in situ |
| Justinus | Justin |
| Inuk | inuit |
| Inupiak | Inupiak Inupiaq Inupiatun |
| Sinusitis | sinusitis |
| minutiös | meticulous minute |
| Nuklid | nuclide |
| Nukleus | (cell) nucleus cytoblast nucleus |