| Karnotit | carnotite |
| Karotin | carotene carotin |
| Karait | Karaite |
| Karaitin | Karaite |
| Karbonat | carbonate |
| Karfreit | Kobarid |
| Kargheit | baldness |
| Karitiv | caritive case |
| Karyotyp | karyotype |
| Karotte | baby carrot carrot |
| Kärnten | Carinthia |
| Kernobst | pome |
| knotig | knobbly |
| Carotin | carotene |
| Carotis | carotid |
| Magnetit | magnetite |
| Karaim | Karaim |
| Karaimin | Karaim |
| Karaïmin | Karaim |
| Kardone | cardoon |