| kopfig | cerebral |
| zopfig | old-fashioned |
| Koptin | Copt |
| Kopf | head header heads |
| Kopie | copy duplicate blueprint manifold replica replication print reprint |
| köpfen | behead decapitate top head |
| Käfig | cage |
| Kopfjagd | headhunting |
| Kopfweh | headache |
| Kopiar | cartulary |
| Kopist | copyist |
| Kopra | copra |
| Kopte | Copt |
| Kopeke | copeck kopeck |
| Kopfkino | inner cinema |
| Koppel | paddock coupler belt |
| Kopula | copula |
| Köper | twill |
| kopflos | headless |
| koppen | climb belch |