| Karnivore | carnivore |
| Karniese | curtain pole |
| Karriere | career |
| Omnivore | omnivore |
| Herbivore | herbivore |
| Karaime | Karaim |
| Kardinale | cardinal numeral |
| Kardioide | cardioid |
| Kardone | cardoon |
| Karneol | carnelian |
| Karnickel | bunny |
| Karrier | English Carrier |
| Karzinogen | carcinogen |
| karzinogen | carcinogenic |
| kardio- | cardio- |
| Karaoke | karaoke |
| Kardiologe | cardiologist |
| Karfiol | cauliflower |
| Karner | ossuary |
| Karneval | carnival Shrovetide |