| Synapse | synapse |
| Synopse | synopsis |
| Synagoge | synagogue synagog shul temple |
| Synkope | syncope fainting |
| Synode | synod ecclesiastical council |
| Synthese | synthesis |
| Syntänie | synteny |
| Lenape | Delaware |
| Kanapee | canapé |
| Knappe | knave |
| Schnaps | schnapps |
| Snap | hike snap |
| knapsen | economize |
| Japse | Jap |
| Straps | suspender belt |
| Syllepse | syllepsis |
| Synesis | constructio ad sensum |
| synaptische | synaptic |
| Syndrom | syndrome |
| Synergie | synergy |