| Schlüsselperson | key figure key person key player |
| Schlüsselbein | collarbone clavicle |
| schlüsselfertig | ready for moving in ready for occupancy |
| Schaustellerin | showwoman carny |
| Schlüsselkarte | keycard |
| Schlüsselring | keyring |
| schlussfolgern | infer |
| Schlüsselfrage | key question |
| Schlüsselwort | keyword |
| Schlepperin | tout |
| Schlussbemerkung | punch line |
| Schlussfolgerung | conclusion |
| Schlußstein | boss |
| Schlussstein | keystone capstone headstone |
| Schlüsse ziehen | infer |
| Schlüsselband | lanyard |
| Schlüsselblume | cowslip |
| Schauspielerin | actress |
| Schausteller | showman |
| Schlossgespenst | castle ghost |