| Kaliforniermöwe | Caspian gull |
| Kalifornier | Californian |
| Kalifornierin | Californian |
| Kalifornien | California |
| Kalifornisierung | californication |
| kalifornisch | Californian |
| Californium | californium |
| Kalibrierung | calibration |
| Kaledonier | Caledonian |
| kalibrieren | calibrate gauge |
| Haligonier | Haligonian |
| Haligonierin | Haligonian |
| Kaponniere | caponier |
| Armenienmöwe | Armenian Gull |
| Kalabrier | Calabrian |
| Kalabrierin | Calabrian |
| Kalixtiner | Utraquism |
| Kalorimetrie | calorimetry |
| kalandrieren | mangle |
| kalzinieren | calcine |