| sweat-shirt | sweatshirt |
| sweepstake | sweepstake |
| Sweet | The Sweet |
| SWI Harelbeke | SWI Harelbeke |
| SWIFT | Swift |
| Swift Hesperange | Swift Hesperange |
| Swift observatoire de sursaut gamma | Swift |
| Swifty McVay | Swift |
| Swimming Pool | Swimming Pool |
| Swindon | Swindon |
| Swindon Town Football Club | Swindon Town FC |
| swing | swingmuziek |
| Swing Romance | Second Chorus |
| Swinthila | Swinthila |
| Swiss International Air Lines | Swiss International Air Lines |
| Swiss Life | Zwitserleven |
| Swissair | Swissair |
| switch | optie |
| SWM | SWM |
| Sword Beach | Sword Beach |
| Swords | Swords |
| SWOT | Sterkte-zwakteanalyse |
| SWX Swiss Exchange | Swiss Exchange |
| SY | Sy |
| Syagrius | Syagrius |
| Syagrus romanzoffiana | Syagrus romanzoffiana |
| Sybaris | Sybaris |
| sybarite | sybariet |
| sybaritique | sybaritisch |
| sybaritisme | sensualiteit |
| Syberia | Siberië |
| Sybille Bammer | Sybille Bammer |
| sycomore | plataan |
| Sycorax | Sycorax |
| Syców | Syców |
| Syd Barrett | Syd Barrett |
| Sydney | Sydney |
| Sydney FC | Sydney FC |
| Sydney Olympic FC | Sydney Olympic FC |
| Sydney Pollack | Sydney Pollack |
| Sydney Tamiia Poitier | Sydney Tamiia Poitier |
| Sydney United FC | Sydney United |
| Syens | Syens |
| Syktyvkar | Syktyvkar |
| Syldavie | Syldavië |
| Sylhet | Sylhet bibhag |
| Sylla | Lucius Cornelius Sulla |
| Syllabaire yi | Yi |
| syllabe | syllabe |
| syllabe accentuée | accent |
| syllabique | syllabisch |
| Syllable | Syllable |
| syllogisme | syllogisme |
| sylphe | elf |
| sylphide | elf |
| Sylvain Arend | Sylvain Arend |
| Sylvain azuré | Blauwe ijsvogelvlinder |
| Sylvain Van de Weyer | Sylvain Van de Weyer |
| Sylvain Wiltord | Sylvain Wiltord |
| Sylvaine | Groot dikkopje |
| Sylvandre | Grote boswachter |
| Sylvaner | Sylvaner |
| Sylvania | Sylvania |
| Sylvanus | Silvanus |
| sylve | bos |
| Sylvebarbe | Fangorn |
| Sylvester Stallone | Sylvester Stallone |
| Sylvester Szmyd | Sylwester Szmyd |
| sylvestre | bos- |
| Sylvestre Ier | Paus Silvester I |
| Sylvestre II | Paus Silvester II |
| Sylvestre III | Paus Silvester III |
| Sylvestre IV | Tegenpaus Silvester IV |
| Sylvia | Sylvia |
| Sylvia Kristel | Sylvia Kristel |
| Sylvia ou la Nymphe de Diane | Sylvia |
| Sylvia Plath | Sylvia Plath |
| Sylvicapra grimmia | Gewone duiker |
| sylviculture | bosbouwkunde |
| Sylvie Becaert | Sylvie Becaert |
| Sylviidae | Zangers van de Oude Wereld |
| Sylviini | Sylvia |
| Sylvine | Oranje wortelboorder |
| Sylvinho | Sylvinho |
| Sylvius Leopold Weiss | Sylvius Leopold Weiss |
| Symantec | Symantec |
| Symbian ltd | Symbian |
| Symbian OS | Symbian |
| symbiose | symbiose |
| symbole | zinnebeeld |
| Symbole chimique | Scheikundig symbool |
| Symbole de Kronecker | Kroneckerdelta |
| Symbole de Levi-Civita | Levi-Civita symbool |
| Symbole de Nicée | Geloofsbelijdenis van Nicea-Constantinopel |
| Symbole des apôtres | Apostolische geloofsbelijdenis |
| Symbole monétaire | Valutateken |
| Symbole religieux | Lijst van religieuze symbolen |
| Symbole vexillologique | Vexillologisch symbool |
| Symboles de Christoffel | Christoffelsymbolen |
| symbolique | symbolisch |
| symboliquement | symbolisch |
| symboliser | voorstellen |
| symbolisme | symboliek |
| Symi | Simi |
| Symmaque | Paus Symmachus |
| Symmetric multiprocessing | SMP |
| sympa | vriendelijk |
