| socjalistyczny | socialist |
| Socjalistyczny Front Narodowego Wyzwolenia Kanaków | Kanak Socialist National Liberation Front |
| Socjalistyczny Ruch Panetiopski | All-Ethiopia Socialist Movement |
| socjalizm | socialism |
| socjalizm demokratyczny | democratic socialism |
| Socjalizm rewolucyjny | Revolutionary socialism |
| Socjalliberalizm | Social liberalism |
| socjolingwistyka | sociolinguistics |
| socjolog | sociologist |
| socjologia | sociology |
| Socjologia kultury | Sociology of culture |
| Socjologia miasta | Urban sociology |
| Socjologia prawa | Sociology of law |
| Socjologia religii | Sociology of religion |
| socjologicznie | sociologically |
| socjologiczny | sociological |
| socjolożka | sociologist |
| Socjonika | Socionics |
| Socket A | Socket A |
| Socket F | Socket F |
| Socket T | Socket T |
| Socrates II | SOCRATES programme |
| Socrates-Erasmus | ERASMUS programme |
| socynianin | Socinian |
| socyniański | Socinian |
| soczewica | lentil |
| Soczewica jadalna | Lentil |
| soczewka | lens |
| Soczewka Fresnela | Fresnel lens |
| soczewka kontaktowa | contact lens |
| Soczi | Sochi |
| soczysty | succulent |
| soda oczyszczona | baking soda |
| sodalit | sodalite |
| Sodar | SODAR |
| Sodis | Solar water disinfection |
| Sodoma i Gomora | Sodom and Gomorrah |
| sodomia | sodomy |
| sodomita | sodomite |
| Soe Win | Soe Win |
| sofa | couch |
| Sofa Surfers | Sofa Surfers |
| Sofala | Sofala Province |
| Sofer | Sofer |
| Sofia | Sofia |
| Sofia Arvidsson | Sofia Arvidsson |
| Sofia Coppola | Sofia Coppola |
| Sofia Gubaidulina | Sofia Gubaidulina |
| sofijski | Sofian |
| sofistyka | sophistry |
| sofizm | sophism |
| Sofizmat | Fallacy |
| Sofiści | Sophism |
| Sofokles | Sophocles |
| Sofoniasz | Zephaniah |
| Sofonisba | Sophonisba |
| Sofonisba Anguissola | Sofonisba Anguissola |
| Sofora | Sophora |
| Soft rock | Soft rock |
| Soft start | Soft start |
| Softball | Softball |
| SoftICE | SoftICE |
| SOFTIMAGE XSI | Softimage XSI |
| Softlanding Linux System | Softlanding Linux System |
| Software Engineering Institute | Software Engineering Institute |
| Software Freedom Day | Software Freedom Day |
| SOFTWIN | SOFTWIN |
| Sogdiana | Sogdiana |
| Sogdianos | Sogdianus of Persia |
| Soglio | Soglio |
| Sogn og Fjordane | Sogn og Fjordane |
| Sogndal | Sogndal |
| SOHO | Solar and Heliospheric Observatory |
| Sohrab Bakhtiarizadeh | Sohrab Bakhtiarizadeh |
| Soichi Noguchi | Soichi Noguchi |
| Soifon | Soifon |
| Soissons | Soissons |
| Soja | Soybean |
| Soja zwyczajna | Soybean |
| Sojombo | Soyombo script |
| Sojourner Truth | Sojourner Truth |
| Sojusz Lewicy Demokratycznej | Democratic Left Alliance |
| Sojusz Małych Państ Wyspiarskich | Alliance of Small Island States |
| Sojusz Narodowy | National Alliance |
| Sojusz Nowego Obywatela | Alliance of the New Citizen |
| Sojusz Prawdy i Sprawiedliwości | Justice and Truth Alliance |
| Sojusz Północny | United Islamic Front for the Salvation of Afghanistan |
| Sojusz Rebeliantów | Rebel Alliance |
| Sojusz Sił Prawicowych | Union of Right Forces |
| Sojusze linii lotniczych | Airline alliance |
| Sojuz | Soyuz |
| Sojuz-Apollo | Apollo-Soyuz Test Project |
| Sojuzmultfilm | Soyuzmultfilm |
| sok | juice |
| Sok mleczny | Plant sap |
| Sok z Żuka | Beetlejuice |
| sok żołądkowy | gastric juice |
| sok żurawinowy | cranberry juice |
| Soka Gakkai | Sōka Gakkai International |
| Sokal | Sokal |
| Sokal hoax | Sokal Affair |
| Sokar | Seker |
| Soke | Sōke |
| Sokkia | Sokkia |
| Sokkuram | Seokguram |
| Sokndal | Sokndal |
| Sokoban | Sokoban |
| Sokolik rudogardły | Microhierax |
| sokolnictwo | falconry |
| Sokolniczeska | Sokolnicheskaya Line |
| sokolnik | falconer |
| Sokolniki | Sokolniki |
| Sokolov | Sokolov |
| Sokoto | Sokoto |
| Sokotra | Socotra |
| sokowirówka | juicer |
| Sokołowate | Falconidae |
| Sokołowe | Greedhead |
| Sokoły | Falcon |
| Sokołów Małopolski | Sokołów Małopolski |
| Sokołów Podlaski | Sokołów Podlaski |
| Sokrates | Socrates |
| sokratyczny | Socratic |
| Sokyrjany | Sokyriany |
| sokół | falcon |
| Sokół maltański | The Maltese Falcon |
| Sokół Millenium | Millennium Falcon |
| sokół wędrowny | peregrine falcon |
| Sokółka | Sokółka |
| Sol | Soil |
| Sol de America Asuncion | Club Sol de América |
| Sol Invictus | Sol Invictus |
| Sol-Ileck | Sol-Iletsk |
| sola | sole |
| Sola scriptura | Sola scriptura |
| Sola zwyczajna | Common sole |
| solanina | solanine |
| solanka | solyanka |
| SOLAR-B | Hinode |
| Solaris | Solaris |
| solarium | solarium |
| Solarium Augusti | Solarium Augusti |
| SOLAS | International Convention for the Safety of Life at Sea |
| Solcza | Šalčia |
| Sole | Salt |
| Solec Kujawski | Solec Kujawski |
| Soleczniki | Šalčininkai |
| Soleil Royal | French ship Soleil-Royal |
| solenoid | solenoid |
| Solfugi | Solifugae |
| Solid | Soil |
| solidarność | solidarity |
| Solidarność Basków | Eusko Alkartasuna |
| solidny | decent |
| SolidWorks | SolidWorks |
| Soligalicz | Soligalich |
| Soligorsk | Salihorsk |
| Solikamsk | Solikamsk |
| solilokwium | soliloquy |
| Solin | Solin |
| Solingen | Solingen |
| solić | salt |
