| Krimkrieg | Crimean War |
| Krimkrise | Crimean |
| Kri-kri | agrimi |
| Atomkrieg | nuclear war |
| Irakkrieg | Iraq War |
| Koreakrieg | Korean War |
| Opiumkrieg | Opium War |
| Kricket | cricket |
| Sitzkrieg | Phoney War |
| Blitzkrieg | blitzkrieg |
| Burenkrieg | Anglo-Boer War Boer War South African War Transvaal War Second Boer War |
| Golfkrieg | Gulf war |
| Krieg | war |
| Krimi | thriller crime novel whodunit |
| Krimiserie | crime series |
| Krimskrams | knick-knack knickknack ornament |
| Kriterium | criterion |
| Landkrieg | land warfare |
| Luftkrieg | aerial warfare |
| Seekrieg | naval warfare |