| Kristall | crystal |
| Kristallit | crystallite |
| kristallen | crystal |
| kristallin | crystalline |
| Kristallglas | crystal |
| kristallklar | crystal clear |
| Kristallkugel | crystal ball |
| Kuhstall | cowshed |
| Krill | krill |
| Kristallgitter | crystal lattice |
| Kristallsystem | crystal system |
| Kristallzucker | granulated sugar |
| kristallinisch | crystalline |
| Einkristall | single crystal mono-crystal |
| Eiskristall | ice crystal |
| Kristallwasser | water of crystallization |
| kriseln | come to a head crisis loom |
| kritteln | find fault quibble |
| Tristan | Tristan |
| Kreistanz | round dance |