| Klopfer | door knocker carpet beater |
| Klopfen | knock |
| klopfen | knock beat tap thump |
| Kloppe | a kind of |
| Kloster | monastery convent |
| Klöppel | clapper lace bobbin |
| Opfer | sacrifice victim casualty |
| Töpfer | potter |
| knöpfen | button |
| köpfen | behead decapitate top head |
| Kampfer | camphor |
| Kämpfer | fighter |
| Kupfer | copper |
| Loafer | loafer |
| Koffer | suitcase |
| Kloben | bracket |
| Kloset | toilet |
| Radklopfer | wheeltapper |
| klönen | chat speak |
| klonen | clone |