| Klempnerei | plumbing |
| Klempnerin | plumber |
| Klempner | plumber tinsmith |
| Kleckserei | daub |
| Kletterei | climbing |
| Kleiner | sonny |
| kleiner | lesser |
| Klempnerarbeit | plumbing |
| Klepper | dobbin |
| Kletterer | climber |
| Rempelei | jostle |
| Brennerei | distillery |
| keinerlei | no…at all |
| Kasperei | antic |
| Kellerei | winery |
| Keilerei | brawl |
| Ketzerei | heresy |
| Leckerei | delicacy |
| kampieren | camp |
| kremieren | cremate |