| Klopfen | knock |
| klopfen | knock beat tap thump |
| Klopfer | door knocker carpet beater |
| knöpfen | button |
| köpfen | behead decapitate top head |
| Kloben | bracket |
| klönen | chat speak |
| klonen | clone |
| Kloppe | a kind of |
| Klöppel | clapper lace bobbin |
| Klöten | ball bollock testicle |
| anklopfen | knock approach touch |
| klotzen | fight |
| ploppen | plop |
| Hopfen | hop |
| hopfen | hop |
| Stopfen | plug |
| stopfen | stuff darn mend |
| Topfen | curd cheese balderdash nonsense rubbish |
| topfen | pot |