| Inkarnatklee | crimson clover Italian clover flesh-coloured clover scarlet clover |
| Inkarnation | incarnation |
| inkarnat | incarnate |
| inkompatibel | incompatible |
| Inkunabel | incunabulum incunable |
| Reinkarnation | reincarnation metempsychosis transmigration of souls |
| Karacke | carrack |
| Karamelle | caramel |
| Karnickel | bunny |
| Karaoke | karaoke |
| Karate | karate |
| Karavelle | caravel |
| Kardätsche | body brush |
| Karnataka | Karnataka |
| Karpaten | Carpathians Carpathian Mountains |
| Kartätsche | canister shot plasterer's float |
| Karyatide | caryatid |
| Kärnten | Carinthia |
| Kärntner | Carinthian |
| Internat | boarding school |