| syllabic | syllabique |
| syllabification | syllabification |
| syllabify | syllaber |
| syllable | syllabe |
| Syllable rime | Rime |
| Syllable weight | Quantité syllabique |
| syllabub | sabayon |
| syllabus | programme |
| syllepsis | syllepse |
| syllogism | syllogisme |
| Sylow theorems | Théorèmes de Sylow |
| Sylva Koscina | Sylva Koscina |
| Sylvain Charles Valée | Sylvain Charles Valée |
| Sylvain Julien Victor Arend | Sylvain Arend |
| Sylvain Lévi | Sylvain Lévi |
| Sylvain Van de Weyer | Sylvain Van de Weyer |
| Sylvain Wiltord | Sylvain Wiltord |
| sylvan | sylvestre |
| Sylvanus Morley | Sylvanus Morley |
| Sylvester | Sylvestre |
| Sylvester James | Sylvester |
| Sylvester matrix | Matrice de Sylvester |
| Sylvester Mazzolini | Silvestro Mazzolini da Prierio |
| Sylvester Medal | Médaille Sylvester |
| Sylvester Shyster | Maître Chicaneau |
| Sylvester Stallone | Sylvester Stallone |
| Sylvestre François Lacroix | Sylvestre-François Lacroix |
| Sylvia | Sylvia |
| Sylvia Beach | Sylvia Beach |
| Sylvia Kristel | Sylvia Kristel |
| Sylvia Pankhurst | Sylvia Pankhurst |
| Sylvia Plath | Sylvia Plath |
| Sylvia Scarlett | Sylvia Scarlett |
| Sylvie Becaert | Sylvie Becaert |
| Sylvie Vartan | Sylvie Vartan |
| Sylvinho | Sylvinho |
| Sylviornis | Sylviornis neocaledoniae |
| Sylvius Leopold Weiss | Sylvius Leopold Weiss |
| Sylwester Szmyd | Sylvester Szmyd |
| Symantec | Symantec |
| Symbian Ltd | Symbian ltd |
| Symbian OS | Symbian OS |
| Symbionese Liberation Army | Armée de libération symbionaise |
| symbiosis | symbiose |
| symbiotic | symbiotique |
| Symbiotic novas | Nova symbiotique |
| Symbiotic stars | Etoile symbiotique |
| symbol | signe |
| symbolic | symbolique |
| Symbolic Capital | Capital social |
| Symbolic computation | Calcul formel |
| Symbolic interactionism | Interactionnisme symbolique |
| symbolically | symboliquement |
| symbolise | symboliser |
| symbolism | symbolisme |
| symbolize | représenter |
| symbology | symbologie |
| Symeon Metaphrastes | Syméon Métaphraste |
| Symeon the New Theologian | Syméon le Nouveau Théologien |
| Symi | Symi |
| Symmachus | Symmaque |
| Symmedian | Symédiane |
| symmetric | symétrique |
| Symmetric multiprocessing | Symmetric multiprocessing |
| Symmetric polynomial | Fonction symétrique |
| Symmetric-key algorithm | Cryptographie symétrique |
| symmetrical | symétrique |
| symmetry | symétrie |
| Symmetry of second derivatives | Théorème de Schwarz |
| Symon Petliura | Simon Petlioura |
| Symon Petlura | Simon Petlioura |
| sympathetic | condescendant |
| sympathetic nervous system | système nerveux orthosympathique |
