| Insolvenz | insolvency |
| Insolenz | boldness |
| insolvent | insolvent |
| insolent | ill-mannered impertinent insolent |
| Solvenz | solvency |
| Indolenz | idleness |
| Insistenz | insistence |
| Absolvent | graduate |
| solvent | solvent |
| Indulgenz | indulgence |
| Inselchen | islet |
| Inserent | advertiser |
| Instanz | instantiate |
| Insulin | insulin |
| Insurgent | insurgent |
| insistent | insistent |
| insofern | provided that |
| isoliert | transient |
| Isolde | Eseld Iseult Isold Isolda Isolde Isolt |
| Sölden | Sölden |