| Klingel | bell |
| Klingeln | bell |
| klingeln | ring |
| Klingeling | ding-a-ling |
| Klingelton | ringtone |
| Klingelpost | ding-dong ditch |
| Klinge | blade |
| klingen | ring clink sound |
| Kringel | scroll |
| Klüngel | clique crowd nepotistic network old boys' network |
| Klientel | clientele |
| Klingelknopf | bell button call button doorbell push |
| Klinke | handle latch phone jack stereo jack |
| Klinker | clinker |
| Kleingeld | change |
| klengen | dehisce extract husk shell |
| Klicken | click |
| klicken | click |
| Klingelputzen | ding-dong ditch |
| Kliniker | clinician |