| Sillock | Pollachius |
| silly | durny |
| Silly clot | Jamnik |
| Silmaril | Silmaril |
| Silo of Asturias | Silo |
| Silphidae | Omarlicowate |
| Silphium | Sylfion |
| Sils im Domleschg | Sils im Domleschg |
| silt | muł |
| Silumin | Silumin |
| Silurian | sylur |
| Silvan Shalom | Silwan Schalom |
| Silvana Mangano | Silvana Mangano |
| Silvano Piovanelli | Silvano Piovanelli |
| Silvanus | Silwanus |
| Silvaplana | Silvaplana |
| silver | srebrny |
| Silver acetylide | Acetylenek srebra |
| Silver carp | Tołpyga biała |
| Silver dapple gene | Srebro |
| Silver fulminate | Piorunian srebra |
| silver goal | srebrny gol |
| Silver leaf | Pan |
| silver lining | światełko w tunelu |
| Silver ratio | Srebrny podział |
| silver screen | srebrny ekran |
| Silver Star | Srebrna Gwiazda |
| silver sulfide | siarczek srebra |
| Silver Surfer | Silver Surfer |
| Silver the Hedgehog | Silver the Hedgehog |
| Silver thistle | Dziewięćsił bezłodygowy |
| Silver Tower | Silver Tower |
| silver-tongued | złotousty |
| Silver-washed Fritillary | Perłowiec malinowiec |
| Silverpit crater | Krater Silverpit |
| silversmith | złotnik |
| Silverstone | Silverstone Circuit |
| Silverstone Circuit | Silverstone Circuit |
| silvery | srebrny |
| silvery-cheeked antshrike | mrowiec czarnolicy |
| Silvia | Sylwia |
| Silvia Cartwright | Silvia Cartwright |
| Silvia Farina Elia | Silvia Farina Elia |
| Silvia Saint | Sylvia Saint |
| Silvija Talaja | Silvija Talaja |
| Silvio Berlusconi | Silvio Berlusconi |
| Silvio Gesell | Silvio Gesell |
| Silvio Oddi | Silvio Oddi |
| Silvio Piola | Silvio Piola |
| Silvisaurus | Silwizaur |
| Silvius | Sylwiusz |
| Silvía Night | Silvía Night |
| SIM card | karta SIM |
| SIM lock | Simlock |
| Sima Qian | Sima Qian |
| Simargl | Simargł |
| Simbach am Inn | Simbach am Inn |
| Simbu Province | Simbu |
| Simchat Beit HaShoeivah | Simchat Bejt ha-Szoewa |
| Simchat Torah | Sukkot |
| SimCity | Sim City |
| SIMD | SIMD |
| Simen Agdestein | Simen Agdestein |
| Simeon | Symeon |
| Simeon I of Bulgaria | Symeon I |
| Simeon of Moscow | Siemion Dumny |
| Simeon Saxe-Coburg-Gotha | Symeon II |
| Simeon Simeonov | Simeon Simeonow |
| Simeon Stylites | Szymon Słupnik |
| Simeria | Simeria |
| Simeulue Regency | Simeulue |
| Simferopol | Symferopol |
| Simferopol International Airport | Symferopol |
| similar | podobny |
| similarity | podobieństwo |
| similarly | podobnie |
| simile | porównanie |
| Simion Movilă | Szymon Mohyła |
| Simlish | Simlisz |
| SIMM | SIMM |
| Simmelsdorf | Simmelsdorf |
| simmer | gotować |
