| Karyatide | caryatid |
| Kryptide | cryptid |
| Karaime | Karaim |
| Kardioide | cardioid |
| Karate | karate |
| Kavatine | cavatina |
| Karacke | carrack |
| Karaim | Karaim |
| Karait | Karaite |
| Karaitin | Karaite |
| Karaïme | Karaim |
| Karitiv | caritive case |
| Karlstadt | Karlovac |
| Karnotit | carnotite |
| Karyotyp | karyotype |
| Karäerin | Karaite |
| Karabiner | carabiner |
| Karaffe | carafe |
| Karaoke | karaoke |
| Karat | carat karat |