| Klempnerin | plumber |
| Klempnerei | plumbing |
| Klempner | plumber tinsmith |
| Klerikerin | clergyperson |
| Aleppinerin | Aleppine |
| Kennerin | lover |
| Lernerin | learner |
| Leugnerin | denialist |
| Kellnerin | waitress |
| Kämpferin | combatant |
| Keeperin | goalkeeper |
| Klöpplerin | lacemaker |
| Kleiner | sonny |
| kleiner | lesser |
| Klementine | clementine |
| Klepper | dobbin |
| Klettern | climbing |
| klettern | climb |
| klemmen | squeeze close |
| kleckern | dribble drip spill fiddle about take half-measures trickle along |