| Kolumbien | Colombia |
| Kolumbide | pigeon |
| Kolumbienralle | Colombian crake |
| Kolumbus | Columbus |
| Kolben | club mace piston butt spadix flask |
| Kolumbianer | Colombian |
| Kolumne | column |
| Kolumnist | columnist |
| Columbium | columbium |
| Columbia | Columbia |
| Volumen | volume |
| Klumpen | lump nugget |
| klumpen | lump |
| Koloman | Colman |
| Kolubrine | culverin |
| Kollagen | collagen |
| Kollation | collating collation |
| Kollegin | colleague |
| Kollision | collision |
| Kollusion | collusion |