| Klickköder | clickbait |
| Klicker | ball |
| Klicken | click |
| klicken | click |
| Kliniker | clinician |
| Klinker | clinker |
| Knicker | skinflint |
| Kickboxen | kickboxing |
| Kicker | foosball |
| Knastköder | jailbait |
| Kunstköder | fly |
| Lackleder | patent leather |
| Klinometer | clinometer |
| Klistier | enema |
| Klick | click |
| Klicklaut | click |
| Klimazone | climatic zone |
| Klingone | Klingon |
| Klinke | handle latch phone jack stereo jack |
| Klipper | clipper |