| Schlüsselfrage | key question |
| Schlussanträge | opinion |
| Schlussfrau | goalkeeper |
| Schlüsselband | lanyard |
| Schlüsselblume | cowslip |
| Schlüsselkarte | keycard |
| Schlüsselring | keyring |
| Schlüsselfigur | central character key figure key person key player |
| Schlüsselrolle | key role |
| schlüsselfertig | ready for moving in ready for occupancy |
| Schlussphase | final phase |
| Schlüssel | key spanner wrench |
| Schlüsselanhänger | keychain key chain key fob keyfob |
| Schlüsselbein | collarbone clavicle |
| Schlüsselbund | bunch of keys |
| Schlüsselkind | latchkey kid |
| Schlüsselloch | keyhole keyway |
| Schlüsselperson | key figure key person key player |
| Schlüsselwort | keyword |
| schusselig | absent-minded |