| Kleriker | clergyman |
| Klerikerin | clergyperson |
| Kleider | clothes |
| Kleiner | sonny |
| kleiner | lesser |
| Kleiber | Eurasian nuthatch mud wall builder Sitta nuthatch |
| klerikal | clerical |
| Lyriker | lyricist |
| Kliniker | clinician |
| Kerker | dungeon |
| Eklektiker | eclectic |
| Kleber | adhesive |
| Kleckser | dauber |
| Klepper | dobbin |
| Kleie | bran |
| Kleine | girl |
| Kleister | Marxist glue flour paste paste |
| Klempner | plumber tinsmith |
| klecken | be enough blot help make blots process work |
| kleckern | dribble drip spill fiddle about take half-measures trickle along |