| Insourcing | insourcing |
| Outsourcing | outsourcing |
| Insulin | insulin |
| Insurgent | insurgent |
| Windsurfing | windsurfing |
| Insertio | minionette |
| Einsparung | saving |
| Inschrift | inscription |
| Inserent | advertiser |
| Insolenz | boldness |
| Insolvenz | insolvency |
| Insomnie | insomnia |
| einstürzen | collapse |
| insofern | provided that |
| insolent | ill-mannered impertinent insolent |
| insolvent | insolvent |
| inständig | urgent |
| unsereins | us |
| Missouri | Missouri Missouri River |
| outsourcen | outsource |