| Klavier | piano |
| Klavierstuhl | piano stool |
| Klafter | fathom |
| Klammer | paper clip bracket parenthesis brace clamp |
| Klapper | rattle |
| Kläger | plaintiff |
| Kaviar | caviar |
| Pläsier | pleasure delight |
| Klagen | lament |
| klagen | wail lament whinge complain sue bring an action go to court |
| Klappen | folding |
| klappen | fold work |
| Klausner | anchorite hermit |
| klappe | cut |
| Klappe | flap mouth |
| klapsen | fan |
| Kladde | notebook rough book scribbling block scribbling pad memorandum book waste book rough draft |
| Klage | lament complaint claim |
| Klampe | cleat |
| Klasse | class |
| klasse | great awesome |