| Karbonat | carbonate |
| Karbon | Carboniferous |
| Baronat | barony |
| Kardone | cardoon |
| Karlovac | Karlovac |
| Karnotit | carnotite |
| Kartomant | cartomancer |
| Karat | carat karat |
| Kardinal | cardinal |
| kardinal | cardinal |
| Karton | carton |
| Bicarbonat | bicarbonate |
| Carbonado | carbonado |
| Carbonyl | carbonyl |
| Koronal | coronal |
| koronal | coronal |
| Aeronaut | aeronaut |
| Argonaut | argonaut |
| Korona | aureole |
| Vormonat | previous month |