| Kosmodizee | cosmodicy |
| Komödie | comedy |
| Kosmodrom | cosmodrome |
| Kosmetiker | cosmetician |
| Kosmogonie | cosmogony |
| Kosmologe | cosmologist |
| Kosmologie | cosmology |
| Komödiant | comedian |
| Kommode | chest of drawers commode |
| Kommodore | commodore |
| Kustodie | custody |
| Theodizee | theodicy |
| Komplize | accomplice accessory |
| Kokosdieb | coconut crab |
| Kosmetika | cosmetics |
| Kosmetikum | cosmetic |
| Kosmochemie | cosmochemistry |
| Kosmologin | cosmologist |
| Kosmetik | cosmetic |
| Kosmografie | cosmography |