| Klafter | fathom |
| Käfter | closet |
| Klammer | paper clip bracket parenthesis brace clamp |
| Klapper | rattle |
| Klavier | piano |
| Kläger | plaintiff |
| klaffen | gape yawn |
| kläffen | yap |
| Geäfter | dewclaw |
| Kräfte | force |
| After | anus |
| elfter | eleventh |
| Lüfter | fan blower |
| Blätter | foliage |
| Kanter | canter |
| knatter | high |
| Kater | tomcat cat tom hangover |
| Kloster | monastery convent |
| Kluster | cluster |
| Krater | crater krater |