| Kap Finisterre | Cape Finisterre |
| Kaponniere | caponier |
| kapaunisieren | caponize |
| Kanister | can jerrycan canister |
| Klappfenster | fortochka |
| Kap Verde | Cape Verde |
| Kapellmeister | bandleader |
| Kapellmeisterin | bandleader |
| Kapodaster | capo |
| Kapuziner | Capuchin |
| kapitalisieren | capitalize cash in |
| kaprizieren | insist on set one's heart on something |
| kaptivieren | capture |
| verfinstern | obfuscate |
| Pfingsten | Pentecost whitsun |
| Pfingstferien | Whitsun holidays |
| Pfingstrose | peony |
| Raffinerie | refinery |
| finster | dark |
| raffinieren | refine |