| Koppel | paddock coupler belt |
| koppeln | connect couple dock join link dead reckoning |
| koppen | climb belch |
| Doppel | doubles |
| Klöppel | clapper lace bobbin |
| Kuppel | dome cupola |
| Koppler | coupling |
| Kopte | Copt |
| Kopie | copy duplicate blueprint manifold replica replication print reprint |
| Köper | twill |
| köpfeln | head |
| köpfen | behead decapitate top head |
| Doppel- | semi-detached |
| doppel- | double |
| Fopper | heckler |
| Noppe | nap |
| Oppeln | Opole |
| doppeln | double |
| moppen | mop |
| Joppe | jacket |