| Syndesmose | syndesmosis |
| Synesis | constructio ad sensum |
| Kindesmord | infanticide |
| Landescode | country code |
| sündenlos | sinless |
| Sendemast | mast |
| Hundsrose | dog rose |
| Asyndeton | asyndeton |
| Synagoge | synagogue synagog shul temple |
| Synapse | synapse |
| Syndrom | syndrome |
| Synekdoche | synecdoche |
| Synergie | synergy |
| Synkope | syncope fainting |
| Synode | synod ecclesiastical council |
| Synonymie | synonymy |
| Synopse | synopsis |
| Synthese | synthesis |
| syndetisch | syndetic |
| Banderole | banner |