| Kopra | copra |
| Kopiar | cartulary |
| Kopte | Copt |
| Kopf | head header heads |
| Kopie | copy duplicate blueprint manifold replica replication print reprint |
| Kopula | copula |
| Köper | twill |
| Sopran | soprano |
| Lepra | leprosy Hansen's disease |
| Kopist | copyist |
| Koptin | Copt |
| kopfig | cerebral |
| Kopeke | copeck kopeck |
| Koppel | paddock coupler belt |
| Skopje | Skopje |
| koppen | climb belch |
| köpfen | behead decapitate top head |
| Prag | Prague |
| Spray | spray |
| prä- | pre- |