| Kanonenturm | cannon tower |
| Kannelur | flute |
| Kannelüre | fillet |
| Kanonenboot | gunboat |
| Kanonenkugel | cannonball |
| Sonnensturm | solar storm |
| Katzentür | cat flap |
| Kanonier | cannoneer gunner |
| Kanton Jura | Jura |
| Kanton Uri | Uri |
| Kandidatur | nomination |
| Kanone | cannon gun |
| Kanonenfutter | cannon fodder |
| Känozoikum | Cenozoic Cenozoic Era |
| Manometer | manometer pressure gauge |
| Nanometer | nanometre nanometer |
| Kronenkork | bottle cap |
| Mormonentum | Mormonism |
| Patronengurt | bandolier |
| Tannenbaum | fir Christmas tree |