| Stahlwolle | steel wool |
| Staubwolke | plume |
| Stehwelle | standing wave |
| Stahlhalter | arbor |
| Stahlhütte | steelworks |
| Stahlseil | steel cable |
| Stahlwerk | steelworks steel mill |
| Stammzelle | stem cell |
| Strahlfäule | thrush |
| Wohlwollen | benevolence good will positivity |
| Glaswolle | glass wool |
| Baumwolle | cotton |
| Schurwolle | new wool virgin wool |
| Scholle | plaice clod |
| stilvoll | stylish |
| Stoßwelle | shock wave |
| Schallwelle | sound wave |
| Schwelle | threshold doorstep on the verge sleeper railroad tie |
| Stahlkammer | vault |
| Stalljunge | stable boy |