| Kristallglas | crystal |
| kristallklar | crystal clear |
| Kristall | crystal |
| Kristallit | crystallite |
| kristallen | crystal |
| kristallin | crystalline |
| Kristallgitter | crystal lattice |
| kristallinisch | crystalline |
| Kristallkugel | crystal ball |
| Kristallwasser | water of crystallization |
| Knallgas | oxyhydrogen |
| Kobaltglas | cobalt glass |
| Kristallsystem | crystal system |
| Kristallzucker | granulated sugar |
| krittelig | captious |
| Krimtatar | Crimean Tatar |
| Kristallisation | crystallization |
| Kristallographie | crystallography |
| Priscilla | Priscilla |
| Priszilla | Priscilla |