| sonata | sonata |
| Sonata Arctica | Sonata Arctica |
| sonatina | sonatina |
| Sonchus | Sonchus |
| sonda | probe |
| sonda acústica | echo sounder |
| Sonda Clementine | Clementine probe |
| Sonda Darwin | Darwin |
| sonda de intuição | intuition pump |
| sonda espacial | probe |
| Sonda ExoMars | ExoMars |
| sonda exploradora | explorer |
| Sonda Fobos-Grunt | Phobos-Grunt |
| Sonda Genesis | Genesis |
| Sonda Giotto | Giotto mission |
| Sonda Herschel | Herschel Space Observatory |
| Sonda Hiten | Hiten |
| Sonda Kepler | Kepler Mission |
| Sonda lambda | Oxygen sensor |
| Sonda Mars Science Laboratory | Mars Science Laboratory |
| Sonda New Horizons | New Horizons |
| Sonda Phobos | Phobos program |
| Sonda Phoenix | Phoenix |
| Sonda Planck | Planck satellite |
| Sonda Sakigake | Sakigake |
| Sonda Soho | Solar and Heliospheric Observatory |
| Sonda Suisei | Suisei probe |
| Sonda X-ray Multi-Mirror | XMM-Newton |
| sondagem | poll |
| sondagem aleatória | random check |
| sondagens de opinião | opinion survey |
| sondagens de opinião pública | public opinion polling |
| Sondalo | Sondalo |
| sondar | poll |
| sondar o terreno | make a cautious approach to someone |
| Sonderkommando | Sonderkommando |
| Sondershausen | Sondershausen |
| Sondrio | Sondrio |
| soneca | doze |
| sonecate | doze |
| sonegação | tax evasion |
| sonegação fiscal | tax evasion |
| soneto | sonnet |
| sonetote | sonnetm of |
| songbooke | songbookof |
| Songdalen | Songdalen |
| Songkhla | Songkhla Province |
| Songs about Jane | Songs About Jane |
| Songs from a Room | Songs from a Room |
| Songs From the Labyrinth | Songs from the Labyrinth |
| Songs in A Minor | Songs in A Minor |
| Songs of Faith and Devotion | Songs of Faith and Devotion |
| Songs of Faith and Devotion Live | Songs of Faith and Devotion Live |
| Songs of Leonard Cohen | Songs of Leonard Cohen |
| Songs of Silence | Songs of Silence |
| sonhador | escapist |
