| 1. Korintherbrief | 1 Corinthians First Corinthians First Epistle to the Corinthians |
| 2. Korintherbrief | 2 Corinthians Second Corinthians Second Epistle to the Corinthians |
| Konterbier | hair of the dog |
| Korinthe | currant |
| Korinthia | Corinthia |
| Korinthenkacker | bean counter nitpicker |
| Kategorientheorie | category theory |
| Knotentheorie | knot theory |
| Stringtheorie | string theory |
| Radiointerview | radio interview |
| Winterkrieg | Winter War |
| Protonentherapie | proton therapy |
| Bakteriotherapie | bacteriotherapy |
| Homoiothermie | homoiothermy warm-bloodedness |
| Galaterbrief | Epistle to the Galatians Galatians |
| Kaperbrief | letter of marque |
| Philipperbrief | Epistle to the Philippians Philippians |
| Römerbrief | Romans Epistle to the Romans |
| Northumbrien | Northumbria |
| Apostelbrief | epistle |