| Kalkdydrat | calcium hydroxide |
| Kalkhydrat | slaked lime |
| Kalkspat | calcite |
| Kalkerde | quicklime |
| Kalkfarbe | calcimine |
| Kalklicht | limelight |
| Kalligraf | calligrapher |
| kalkuliert | forward |
| Kalamität | calamity |
| Kalifat | caliphate |
| Kalkutta | Kolkata Calcutta |
| Kältespray | cold spray |
| Alkoholat | alkoxide |
| Alkoran | Qur'an |
| Hydrat | hydrate |
| Klepsydra | clepsydra |
| Anhydrit | anhydrite |
| Kohlenhydrat | carbohydrate |
| Kassandra | Cassandra |
| Adstrat | adstratum |