| Silver Surfer | Silver Surfer |
| Silverio | Paus Silverius |
| silvestre | wild |
| Silvestre I | Paus Silvester I |
| Silvestre II | Paus Silvester II |
| Silvestre III | Paus Silvester III |
| Silvestre IV | Tegenpaus Silvester IV |
| Silvestre Tornasol | Professor Zonnebloem |
| Silvia | Sylvia |
| Silvia de Suecia | Silvia Sommerlath |
| Silvia Saint | Silvia Saint |
| silvicultura | bosbouwkunde |
| Silvio Berlusconi | Silvio Berlusconi |
| Silvio Gesell | Silvio Gesell |
| Silybum | Silybum |
| Silybum marianum | Mariadistel |
| silábico | syllabisch |
| Silúrico | Siluur |
| sima | afgrond |
| Sima Qian | Sima Qian |
| Simaroubaceae | Hemelboomfamilie |
| Simat de Valldigna | Simat de la Valldigna |
| Simbad | Sinbad de zeeman |
| simbiosis | symbiose |
| simbolismo | symboliek |
| simbolizar | voorstellen |
| simbólicamente | symbolisch |
| simbólico | symbolisch |
| SimCity | SimCity |
| SimCity Societies | SimCity Societies |
| Sime | Simi |
| Simeon Poisson | Siméon Poisson |
| simetría | symmetrie |
| Simeón de Sajonia-Coburgo Gotha | Simeon Sakskoboerggotski |
| Simeón I de Bulgaria | Simeon I van Bulgarije |
| Simferopol | Simferopol |
| Simferópol | Simferopol |
| Simiente de lino | Linosa |
| Simiiformes | Apen |
| similar | soortgelijk |
| similaridad | gelijkenis |
| similicuero | kunstleer |
| similitud | overeenkomst |
| Similjan | Smiljan |
| similor | goudbrons |
| simio | aap |
| Simit | Simit |
| Simjat Torá | Simchat Thora |
| Simlish | Simlish |
| SIMM | Single Inline Memory Module |
| Simmondsia chinensis | Jojoba |
| Simo Häyhä | Simo Häyhä |
| Simon and Garfunkel | Simon and Garfunkel |
| Simon Le Bon | Simon le Bon |
| Simon Marius | Simon Marius |
| Simon Rattle | Simon Rattle |
| Simon Schama | Simon Schama |
| Simon Stevin | Simon Stevin |
| Simon van der Meer | Simon van der Meer |
| Simon Webbe | Simon Webbe |
| Simon Wiesenthal | Simon Wiesenthal |
| Simona | Simon |
| Simone Barone | Simone Barone |
| Simone de Beauvoir | Simone de Beauvoir |
