| synchroniseren | gleichschalten |
| synchroon | synchron |
| synchroonzwemmen | Synchronschwimmen |
| Synchrotron | Synchrotron |
| Synchrotronstraling | Synchrotronstrahlung |
| syncline | Synklinale |
| syncope | Synkope |
| syncoperen | synkopieren |
| Syncretisme | Synkretismus |
| Syndactylie | Syndaktylie |
| syndicaat | Gewerkschaft |
| syndicalisme | Gewerkschaftsbewegung |
| Syndrome | Syndrom |
| syndroom | Syndrom |
| Syndroom van Adie | Adie-Syndrom |
| Syndroom van Alagille | Alagille-Syndrom |
| Syndroom van Alport | Alport-Syndrom |
| Syndroom van Angelman | Angelman-Syndrom |
| Syndroom van Apert | Apert-Syndrom |
| Syndroom van Bloom | Bloom-Syndrom |
| Syndroom van Capgras | Capgras-Syndrom |
| Syndroom van Charles Bonnet | Charles-Bonnet-Syndrom |
| Syndroom van Churg-Strauss | Churg-Strauss-Syndrom |
| Syndroom van Conn | Conn-Syndrom |
| Syndroom van Cornelia de Lange | Cornelia-de-Lange-Syndrom |
| Syndroom van Cotard | Cotard-Syndrom |
| Syndroom van Crouzon | Morbus Crouzon |
| Syndroom van Cushing | Cushing-Syndrom |
| syndroom van Down | Down-Syndrom |
| Syndroom van Edwards | Edwards-Syndrom |
| Syndroom van Ehlers-Danlos | Ehlers-Danlos-Syndrom |
| Syndroom van Fitz-Hugh-Curtis | Fitz-Hugh-Curtis-Syndrom |
| Syndroom van Ganser | Ganser-Syndrom |
| Syndroom van Gerstmann | Gerstmann-Syndrom |
| Syndroom van Gilbert | Morbus Meulengracht |
| syndroom van Gilles de la Tourette | Tourette-Syndrom |
| syndroom van Guillain-Barré | Guillain-Barré-Syndrom |
| Syndroom van Kallmann | Kallmann-Syndrom |
| Syndroom van Klinefelter | Klinefelter-Syndrom |
| Syndroom van Klippel-Trenaunay | Klippel-Trénaunay-Weber-Syndrom |
| Syndroom van Klüver-Bucy | Klüver-Bucy-Syndrom |
| Syndroom van Korsakov | Korsakow-Syndrom |
| Syndroom van Laurence-Moon-Bardet-Biedl | Laurence-Moon-Biedl-Bardet-Syndrom |
| Syndroom van Marfan | Marfan-Syndrom |
| Syndroom van Mayer-Rokitansky-Küster | Mayer-Rokitansky-Küster-Hauser-Syndrom |
| Syndroom van Moebius | Moebius-Syndrom |
| Syndroom van Noonan | Noonan-Syndrom |
| Syndroom van Patau | Pätau-Syndrom |
| Syndroom van Peutz-Jeghers | Peutz-Jeghers-Syndrom |
| Syndroom van Pfeiffer | Pfeiffer-Syndrom |
| Syndroom van Prader-Willi | Prader-Willi-Syndrom |
| Syndroom van Reiter | Reaktive Arthritis |
| Syndroom van Rett | Rett-Syndrom |
| Syndroom van Reye | Reye-Syndrom |
| Syndroom van Sotos | Sotos-Syndrom |
| Syndroom van Sturge-Weber | Sturge-Weber-Syndrom |
| Syndroom van Tietze | Tietze-Syndrom |
| Syndroom van Turner | Turner-Syndrom |
| Syndroom van Usher | Usher-Syndrom |
| Syndroom van Waardenburg | Waardenburg-Syndrom |
| Syndroom van Wallenberg | Wallenberg-Syndrom |
| Syndroom van Wernicke | Wernicke-Korsakow-Syndrom |
| synecdoche | Synekdoche |
| Synedrion | Synhedrion |
| synergie | Synergie |
| Synesius van Cyrene | Synesios von Kyrene |
| Synesthesie | Synästhesie |
| Synform | Synklinale |
| Syngas | Synthesegas |
| Syngman Rhee | Rhee Syng-man |
| synode | Synode |
| Synode van Clermont | Synode von Clermont |
| Synode van Dordrecht | Dordrechter Synode |
| Synode van Elvira | Synode von Elvira |
| Synode van Whitby | Synode von Whitby |
| synoniem | bedeutungsgleich |
| synoniemenboek | Thesaurus |
| synopsis | Zusammenfassung |
| syntactisch | syntaktisch |
| syntaxis | Syntax |
