| Stammbaum | genealogical tree family tree |
| Stammhaus | parent company |
| Stammbruch | unit fraction |
| Stammgast | regular denizen frequenter habitue |
| Stimmband | vocal cord |
| Palmbaum | palm tree |
| Stamina | mettle |
| Stamm Juda | Judah |
| Stammdaten | master data |
| Stammvater | ancestor |
| Stammwort | primitive |
| Stadium | stage |
| Stadtbahn | light rail |
| Stadtbus | City bus |
| Stadthaus | townhouse |
| Stamm | trunk bole tribe phylum strain stem |
| Stammbaumtheorie | tree model |
| Stammler | stammerer |
| Startbahn | runway |
| Staudamm | dam |