| Klitoriseichel | clitoral glans |
| Klitorisvorhaut | clitoral hood |
| Klitoris | clitoris |
| editorisch | editorial |
| Karteileiche | inactive member |
| Korkeiche | cork oak |
| Kornspeicher | granary |
| Klippfisch | salt cod |
| klitoral | clitoral |
| Kliesche | dab |
| Klimaforscher | climatologist |
| Klingonisch | Klingon |
| Klischee | block cliche imitation cliché |
| klimatisch | climatic climatical climatically |
| klimatisieren | air-condition climatise climatize |
| klinisch | clinical aseptic |
| flitschen | skim |
| militarisieren | militarize |
| militaristisch | hawkish |
| Litauisch | Lithuanian |
| litauisch | Lithuanian |