| Klinopyroxen | clinopyroxene |
| Orthopyroxen | orthopyroxene |
| Pyroxen | pyroxene |
| Klinikerin | clinician |
| Klinometer | clinometer |
| Klingelton | ringtone |
| Klingone | Klingon |
| Klinikclown | clinic clown hospital clown |
| klieren | scrawl scribble |
| klimpern | jingle |
| klingen | ring clink sound |
| klirren | clink |
| Pinozytose | pinocytosis |
| einordnen | subsume classify label enclose integrate |
| Kinokarte | cinema |
| Kinosterben | cinema extinction |
| knöpfen | button |
| pyrogen | pyrogenic |
| Kickboxen | kickboxing |
| einrexen | bottle can preserve |