| Karpaltunnel | carpal canal carpal tunnel flexor tunnel |
| Karpaltunnelsyndrom | carpal tunnel syndrome |
| Karfunkel | carbuncle |
| Karbunkel | carbuncle |
| Karpaten | Carpathians Carpathian Mountains |
| Eurotunnel | Channel Tunnel |
| Autotunnel | car tunnel |
| Karaitin | Karaite |
| Karolinen | Caroline Islands |
| kardätschen | curry |
| Karabiner | carabiner |
| Karabinier | carabinier |
| Karate | karate |
| Karawane | caravan |
| Kardätsche | body brush |
| Karlmann | Carloman |
| Karolinger | Carolingian |
| Karpell | carpel |
| Kartoffel | potato |
| Kartätsche | canister shot plasterer's float |