| Klappstuhl | folding chair |
| Klapsmühle | madhouse |
| Klavierstuhl | piano stool |
| Faltstuhl | deck chair |
| Kniestuhl | kneeling chair |
| Lehnstuhl | armchair |
| Barstuhl | bar chair bar stool barchair barstool |
| Dachstuhl | roof truss |
| Fahrstuhl | elevator lift |
| Lehrstuhl | chair |
| Leibstuhl | close stool toilet chair |
| Klapp- | folding |
| Klappbett | shakedown |
| Klappbrücke | bascule bridge |
| Klappen | folding |
| klappen | fold work |
| Klappentext | blurb |
| klappbar | collapsible |
| klappe | cut |
| Klappe | flap mouth |