| Strahlung | radiation |
| Bestrahlung | exposure irradiation radiotherapy |
| Sträfling | convict |
| strahlen | radiate |
| strahlend | beaming radiant radioactive bright glorious refulgent vivid |
| Stallung | stabling |
| Strahler | radiator |
| Strang | skein string cordon canal |
| Streifung | striation |
| Strichelung | hatching |
| Strömling | Baltic herring |
| Ausstrahlung | broadcast charisma |
| IR-Strahlung | IR radiation |
| Strahl | ray beam jet |
| Strahlungsdruck | radiation pressure |
| Stralsund | Stralsund |
| Straubing | Straubing |
| Streuung | scattering dispersion |
| Strohbund | straw bale |
| Strähne | strand streak hank skein |