| Sword-leaved Helleborine | Céphalanthère à feuilles étroites |
| Swordcane | Canne-épée |
| swordfish | espadon |
| swordplay | escrime |
| swordsman | épéiste |
| swot | bûcheur |
| SWOT analysis | SWOT |
| Swow | Il a montré |
| SWX Swiss Exchange | SWX Swiss Exchange |
| SX Arietis stars | Etoiles SX Arietis |
| SX Phoenicis stars | Etoiles SX Phoenicis |
| SXGA | Super Extended Graphics Array |
| SY | SY |
| Syagrius | Syagrius |
| Syagrus romanzoffiana | Syagrus romanzoffiana |
| Syangja District | District de Syangja |
| Sybaris | Sybaris |
| sybarite | sybarite |
| sybaritic | sybarite |
| Syberia | Syberia |
| Sybill Trelawney | Sibylle Trelawney |
| Sybille Bammer | Sybille Bammer |
| SYBR Green | SYBR Green I |
| sycamore | sycomore |
| sycamore maple | érable sycomore |
| Sychrov Castle | Château de Sychrov |
| sycophancy | flatterie |
| sycophant | flagorneur |
| Sycorax | Sycorax |
| Syców | Syców |
| Syd Barrett | Syd Barrett |
| Sydenham | Sydenham |
| Sydney | Sydney |
| Sydney Brenner | Sydney Brenner |
| Sydney Camm | Sidney Camm |
| Sydney FC | Sydney FC |
| Sydney Harbour Bridge | Harbour Bridge |
| Sydney Olympic FC | Sydney Olympic FC |
| Sydney Opera House | Opéra de Sydney |
| Sydney Parkinson | Sydney Parkinson |
| Sydney Pollack | Sydney Pollack |
| Sydney racial violence continues | Les violences raciales continuent à Sydney |
| Sydney Tamiia Poitier | Sydney Tamiia Poitier |
| Sydney to Hobart Yacht Race | Sydney-Hobart |
| Sydney United | Sydney United FC |
| Syed Ahmed Khan | Syed Ahmad Khan |
| Syens | Syens |
| Sykes-Picot Agreement | Accord Sykes-Picot |
| Syktyvkar | Syktyvkar |
| Syldavia | Syldavie |
| Sylhet | Sylhet |
| Sylhet Division | Sylhet |
| Sylke Otto | Sylke Otto |
| syllabary | syllabaire |
| syllabic | syllabique |
| syllabification | syllabification |
| syllabify | syllaber |
| syllable | syllabe |
| Syllable rime | Rime |
| Syllable weight | Quantité syllabique |
| syllabub | sabayon |
| syllabus | programme |
