| Kolumnist | columnist |
| Kolumnistin | columnist |
| Kolonist | colonist |
| Kolumbide | pigeon |
| Kolumbus | Columbus |
| Kolumbien | Colombia |
| Kolumne | column |
| Kalvinist | Calvinist |
| Kommunist | communist |
| Komponist | composer |
| Kolchis | Colchis |
| Kolonistin | colonist |
| Kolubrine | culverin |
| Kölnisch | Kölsch |
| kolonial | colonial |
| Kolonie | colony |
| Columbium | columbium |
| voluminös | voluminous |
| Columbia | Columbia |
| Columbus | Columbus |