| Karitébaum | shea |
| Karibu | caribou |
| Kriterium | criterion |
| Arganbaum | argan |
| Kettbaum | warp beam |
| Arlesbaum | checker tree wild service tree |
| Christbaum | Christmas tree |
| Kabelbaum | cable harness |
| Kakaobaum | cacao |
| Kirschbaum | cherry tree |
| Maibaum | maypole |
| Warteraum | lounge |
| Klartraum | lucid dream |
| Karaim | Karaim |
| Karaïm | Karaim |
| Karitiv | caritive case |
| Karo-Bauer | jack of diamonds |
| Kartomant | cartomancer |
| Kartular | cartulary |
| Karateka | karateka |