| Karbidlampe | carbide lamp |
| Karo-Dame | queen of diamonds |
| Karodame | queen of diamonds |
| Wandlampe | sconce |
| Wärmelampe | heat lamp |
| Warnlampe | warning light |
| Karaime | Karaim |
| Karbolsäure | carbolic acid |
| Kardinale | cardinal numeral |
| Kardamom | cardamom |
| Kardiologe | cardiologist |
| Kardiologie | cardiology |
| Kartellamt | antitrust agency |
| Barbiepuppe | Barbie |
| Kürbisfarbe | pumpkin |
| Arbitrage | arbitrage arbitration |
| Lavalampe | lava lamp |
| Gaslampe | gas lamp |
| Hängelampe | droplight |
| Klampe | cleat |