| Kopula | copula |
| Kopulaverb | copula |
| Kopulation | copulation |
| Kopra | copra |
| populär | popular |
| Doula | doula |
| Kopiar | cartulary |
| Kopist | copyist |
| Koppler | coupling |
| Kopte | Copt |
| Koptin | Copt |
| kopfig | cerebral |
| Kopeke | copeck kopeck |
| Kopf | head header heads |
| Kopflaus | head louse |
| Kopie | copy duplicate blueprint manifold replica replication print reprint |
| Kopilot | co-pilot copilot |
| Koppel | paddock coupler belt |
| Köper | twill |
| kopflos | headless |