| Maulschlüssel | open end spanner |
| Hausschlüssel | housekey |
| Gabelschlüssel | open end spanner |
| Altschlüssel | alto clef |
| Bassschlüssel | F clef |
| Baßschlüssel | bass |
| Hauptschlüssel | master key |
| aufschlüsseln | itemize |
| Autoschlüssel | car key |
| Türschlüssel | door key |
| Aufschluss | outcrop enlightenment |
| Funkschlüssel | fob |
| Ausschluss | squeeze-out |
| C-Schlüssel | C-clef |
| Inbusschlüssel | Allen wrench |
| Kreuzschlüssel | wheel brace |
| Müslischüssel | muesli bowl |
| Schlüssel | key spanner wrench |
| Zündschlüssel | ignition key |
| Maulschelle | bitch slap |