| Klausner | anchorite hermit |
| Klause | hermitage splash dam |
| Klausel | clause |
| Klausur | enclosure exam test |
| Knauser | miser |
| Klagender | wailer |
| klapsen | fan |
| Klafter | fathom |
| Klammer | paper clip bracket parenthesis brace clamp |
| Klapper | rattle |
| Klasse | class |
| klasse | great awesome |
| Klassem | classeme |
| Klassiker | classic |
| Klaue | claw cloven hoof |
| Klaus | kloyz |
| Klavier | piano |
| Kläger | plaintiff |
| klamüsern | puzzle (over) |
| klauben | collect sort out pick |