| Kalkspat | calcite |
| Kalasha | Kalash |
| Kalkputz | plaster |
| Kalpak | busby |
| Kalifat | caliphate |
| Kaspar | Caspar |
| Feldspat | feldspar |
| Kalesche | cabriolet |
| Kalk- | limestone |
| Kalkdydrat | calcium hydroxide |
| Kalkerde | quicklime |
| Kalkhydrat | slaked lime |
| Kalklicht | limelight |
| Kalktuff | tufa |
| Kaltzeit | glacial |
| Kaluga | Kaluga |
| kalken | calcimine |
| kalkig | limy |
| Kalamit | calamites |
| Kalamität | calamity |