| Synopse | synopsis |
| Synapse | synapse |
| Synkope | syncope fainting |
| Synode | synod ecclesiastical council |
| Synonym | synonym convertible terms equivalent terms synonymous word |
| synonym | synonymous |
| Synoptik | synoptic meteorology |
| Synthese | synthesis |
| Nynorsk | Nynorsk Neo-Norwegian New Norwegian |
| Anopie | anopia |
| Anopsie | anopia |
| Noppe | nap |
| Schöps | ram |
| Möpse | boobies boobs |
| Stöpsel | plug cork peg stopper |
| Syllepse | syllepsis |
| Synesis | constructio ad sensum |
| Synagoge | synagogue synagog shul temple |
| Syndrom | syndrome |
| Synergie | synergy |