| Stadium | stage |
| Studium | studies |
| stadial | incremental |
| Stadion | stadium |
| Roadium | Roadian |
| Radium | radium |
| Vadium | bid bond |
| Skandium | scandium |
| Scandium | scandium |
| Stadel | barn |
| Stamina | mettle |
| Staniza | stanitsa |
| Statik | statics |
| Stadt | city town |
| Stadtbus | City bus |
| Stalin | Stalin |
| Stamm | trunk bole tribe phylum strain stem |
| Stasi | Stasi collaborator employee state security man |
| Stasis | stasis |
| Station | station ward |