| social welfare | asistencia social |
| Social welfare expenditure | Cargas sociales |
| social work | asistencia social |
| social worker | asistente social |
| socialism | colectivismo |
| Socialism and Freedom Party | Partido Socialismo y Libertad |
| Socialism in One Country | Socialismo en un solo país |
| Socialism with a human face | Socialismo con rostro humano |
| Socialisme ou Barbarie | Socialismo o barbarie |
| socialist | socialista |
| Socialist competition | Emulación socialista |
| Socialist economics | Economía centralizada |
| Socialist Federal Republic of Yugoslavia | República Federal Socialista de Yugoslavia |
| Socialist International | Internacional Socialista |
| Socialist Party | Partido Socialista |
| Socialist Party of Albania | Partido Socialista de Albania |
| Socialist Party of America | Partido Socialista de América |
| Socialist Party of Chile | Partido Socialista de Chile |
| Socialist Party of Senegal | Partido Socialista |
| Socialist Party of Uruguay | Partido Socialista del Uruguay |
| Socialist Party USA | Partido Socialista EUA |
| Socialist Republic of Chile | República Socialista de Chile |
| Socialist Republic of Croatia | Croacia en la segunda Yugoslavia |
| Socialist Republic of Macedonia | República Socialista de Macedonia |
| Socialist Republic of Montenegro | República Socialista de Montenegro |
| Socialist state | Estado socialista |
| Socialist Unity Party of Germany | Partido Socialista Unificado de Alemania |
| Socialist Workers Party | Partido Socialista de los Trabajadores |
| Socialist-Revolutionary Party | Partido Social-Revolucionario |
| socialite | miembro de la alta sociedad |
| socialize | socializar |
| socialize with | socializar con |
| socially | socialmente |
| Socially responsible investing | Inversión socialmente responsable |
| Socianism | Socinianismo |
| Sociedad Deportivo Quito | Sociedad Deportivo Quito |
| Sociedade Esportiva Palmeiras | Sociedade Esportiva Palmeiras |
| societism | societismo |
| society | liga |
| Society for Worldwide Interbank Financial Telecommunication | Society for Worldwide Interbank Financial Telecommunication |
| Society Islands | Islas de la Sociedad |
| Society of Jesus | Compañía de Jesús |
| Society of Mary | Sociedad de María |
| Society of Saint Vincent de Paul | Sociedad de San Vicente de Paúl |
| Society of the United Irishmen | Society of the United Irishmen |
| Society of United Irishmen | Society of the United Irishmen |
| Socinian | sociniano |
| Socinianism | Socinianismo |
| socio-economic | socioeconómico |
| Sociocultural evolution | Evolución cultural |
| socioeconomic | socioeconómico |
| socioeconomic aspect of human settlements | aspectos socioeconómicos de los asentamientos humanos |
| sociogram | sociograma |
| sociolect | sociolecto |
| sociolinguistics | sociolingüística |
| sociological | sociológico |
| sociologist | sociólogo |
| sociology | sociología |
| Sociology of art | Sociología del arte |
| Sociology of knowledge | Sociología del conocimiento |
| sociology of language | sociolingüística |
| Sociology of law | Sociología del Derecho |
| Sociology of religion | Sociología de la religión |
| Socionics | Sociónica |
| Sociéty | Sociedad |
| Société Bic | Bic |
| Société Générale | Société Générale |
| Société Générale de Surveillance | Société Générale de Surveillance |
| Société Nautique de Genève | Sociedad Náutica de Ginebra |
| sock | golpazo |
| sock puppet | usuario títere |
| socket | cavidad |
| Socket A | Socket A |
| Socket F | Socket F |
| Socket T | Socket T |
| Socko | Bárbaro |
| socks | calcetin |
| Socorro Island | Isla Socorro |
| Socotra | Socotra |
| Socrates | Sócrates |
| SOCRATES programme | Programa Sócrates |
| Socratic | socrático |
| Socratic dialogue | Diálogos de Sócrates |
| sod | cubrir con césped |
| sod all | nada de nada |
| Sod's law | ley de la indefectible mala voluntad de los objectos inanimados |
| soda | bebida sin alcohol |
| soda pop | bebida sin alcohol |
| soda water | soda |
| SODAR | Sodar |
| sodden | empapado |
| sodium | sodio |
| sodium benzoate | benzoato de sodio |
| sodium bicarbonate | bicarbonato de sosa |
| Sodium borohydride | Borohidruro de sodio |
| sodium chloride | cloruro de sodio |
| Sodium cyanoborohydride | Cianoborohidruro de sodio |
| Sodium fluoroacetate | Cianuro de sodio |
| Sodium hydroxide | Hidróxido de sodio |
| Sodium perborate | Perborato de sodio |
| Sodium sorbate | Sorbato sódico |
| Sodium sulfite | Sulfito sódico |
| Sodom | Sodoma |
| Sodom and Gomorrah | Sodoma |
| Sodoma | Sodoma |
| Sodome | Sodoma |
| sodomise | sodomizar |
| sodomite | sodomita |
| sodomy | sodomía |
| Sodomy law | Ley de sodomía |
| Soe Win | Soe Win |
| Soest | Distrito de Soest |
| sofa | diván |
| sofa-bed | sofá cama |
| Sofala Province | Sofala |
| soffit | sofito |
| Sofia | Sofía |
| Sofia Airport | Aeropuerto de Sofía |
| Sofia Coppola | Sofia Coppola |
| Sofia Gubaidulina | Sofia Gubaidulina |
| Sofia Kalistratova | Sofía Kalistratova |
| Sofia Kovalevskaya | Sofia Kovalevskaya |
| Sofia Metro | Metro de Sofía |
| Sofia of Denmark | Sofía Eriksdotter de Dinamarca |
| Sofia of Nassau | Sofía de Nassau |
| Sofia Province | Sofía |
| Sofia Rotaru | Sofiya Rotaru |
| Sofia University | Universidad de Sofía |
| Sofiero | Sofiero |
| Sofonisba Anguissola | Sofonisba Anguissola |
| soft | ligero |
