| synchronisation | synkronisering |
| synchroniser | synkronisera |
| Synchronized Multimedia Integration Language | Synchronized Multimedia Integration Language |
| syncope | yrselanfall |
| syncoper | synkopera |
| syncrétisme | synkretism |
| syndicalisme | syndikalism |
| syndicat | syndikat |
| syndicat de métier | fackförening |
| Syndicat de salariés | Fackförening |
| Syndicat ouvrier | Fackförening |
| Syndicat professionnel | Fackförening |
| Syndicat étudiant | Studentkår |
| Syndication | Syndikering |
| syndrome | syndrom |
| syndrome d'hyperphagie incontrôlée | hetsätningsstörning |
| Syndrome d'immunodéficience acquise | AIDS |
| Syndrome de Claude Bernard-Horner | Horners syndrom |
| Syndrome de Conn | Conns sjukdom |
| Syndrome de Cushing | Cushings syndrom |
| syndrome de Down | Downs syndrom |
| Syndrome de détresse respiratoire aiguë | Adult respiratory distress syndrome |
| Syndrome de fatigue chronique | Kroniskt trötthetssyndrom |
| Syndrome de Gilbert | Gilberts syndrom |
| Syndrome de Goodpasture | Goodpastures syndrom |
| Syndrome de Goujerot-Sjögren | Sjögrens syndrom |
| syndrome de Guillain-Barré | Guillain-Barrés syndrom |
| Syndrome de Imerslund-Grasbeck | Imerslund-Gräsbecks syndrom |
| syndrome de l'immeuble insalubre | sjuka-hussjukan |
| syndrome de la Tourette | Tourettes syndrom |
| Syndrome de Marfan | Marfans syndrom |
| Syndrome de Münchausen | Münchhausens syndrom |
| Syndrome de Pickwick | Pickwicksyndromet |
| Syndrome de Protée | Proteus syndrom |
| Syndrome de Rett | Retts syndrom |
| Syndrome de Reye | Reyes syndrom |
| Syndrome de Sharp | Mixed Connective Tissue Disease |
| Syndrome de Stein-Leventhal | Polycystiskt ovariesyndrom |
| Syndrome de Stendhal | Stendhalsyndrom |
| syndrome de Stockholm | Stockholmssyndrom |
| Syndrome de Turner | Turners syndrom |
| Syndrome de Zollinger-Ellison | Zollinger-Ellisons syndrom |
| Syndrome des antiphospholipides | Antifosfolipidsyndrom |
| Syndrome des jambes sans repos | Rastlösa ben |
| syndrome du canal carpien | Karpaltunnelsyndrom |
| Syndrome du choc toxique | Toxic shock syndrome |
| Syndrome myélodysplasique | Myelodysplastiskt syndrom |
| Syndrome néphritique | Nefritiskt syndrom |
| Syndrome néphrotique | Nefrotiskt syndrom |
| Syndrome sérotoninergique | Serotonergt syndrom |
| Syndrome triple X | XXX syndrom |
| synergie | synergi |
| synesthésie | synestesi |
| Syngman Rhee | Syngman Rhee |
| Syngnathiformes | Spiggartade fiskar |
| Syngnathoidei | Spiggartade fiskar |
| synonyme | synonym |
| Synonymie | Synonym |
| syntactique | syntaktisk |
| syntagme | syntagm |
| syntaxe | grammatik |
| syntaxique | syntaktisk |
| Synthese vocale | Talsyntes |
| Synthpop | Synthpop |
| Synthèse additive | Additiv färgblandning |
| Synthèse des protéines | Proteinsyntes |
| Synthèse FM | FM-syntes |
| Synthèse soustractive | Subtraktiv färgblandning |
| Synthèse vocale | Talsyntes |
| Synthéthiquement | Syntesiskt |
| synthétique | syntetisk |
