| sofa | diván |
| sofabeschermer | antimacasar |
| sofahoes | antimacasar |
| SOFC | Pila de combustible de óxido sólido |
| Sofia | Sofía |
| Sofia Coppola | Sofia Coppola |
| Sofia Goebaidoelina | Sofia Gubaidulina |
| Sofie van Nassau-Weilburg | Sofía de Nassau |
| sofisme | falacia |
| sofist | sofista |
| sofiste | sofista |
| sofistiek | sofisma |
| sofistisch | sofista |
| Sofronio Española | Sofronio Española |
| soft porno | pornografía de contenido suave |
| softball | softball |
| softenon | talidomida |
| softenonbaby | bebé talidomida |
| softijs | helado suave |
| Softskills | Habilidades sociales |
| software | programa |
| Software as a Service | Software como servicio |
| Software Development Kit | SDK |
| Software Engineering | Ingeniería de software |
| Software-ontwikkelaar | Programador |
| Softwareontwikkelaar | Desarrollador de software |
| Softwareontwikkelmethode | Ciclo de desarrollo |
| Sofía van Spanje | Sofía de Borbón |
| Sogdianië | Sogdiana |
| Soglio | Soglio |
| Sogn og Fjordane | Sogn og Fjordane |
| Sognefjord | Sognefjord |
| SOHO | SOHO |
| SOI | Silicon on insulator |
| Soichiro Honda | Soichiro Honda |
| soiree | sarao |
| Soissons | Soissons |
| sojaboon | semilla de soja |
| sojasaus | salsa de soya |
| Sojoez | Soyuz |
| Sojoezmoeltfilm | Soyuzmultfilm |
| Sojoten | Soyots |
| sok | calcetín |
| Soka Gakkai | Sōka Gakkai Internacional |
| Sokaris | Socar |
| sokje | bota de lana |
| sokkel | peana |
| Sokker | Sokker |
| Sokkia Corporation | Sokkia |
| Sokoban | Sokoban |
| Sokol | Falco |
| sokophouder | liga |
| sokpop | marioneta de calcetín |
| sol | sol |
| Sol Invictus | Sol Invictus |
| Sola | Puerto de montaña |
| solair | solar |
| Solanales | Solanales |
| Solanine | Solanina |
| Solaris | Solaris |
| solarium | solana |
| SOLAS | Convenio Internacional para la Seguridad de la Vida Humana en el Mar |
| soldaat | soldado |
| soldaat zonder rang | soldado raso |
| soldaat-huisknecht | ordenanza |
| soldaatje | cubito de pan tostado |
| soldate | soldado |
| soldeerbout | soldador |
| soldeerlamp | soplete |
| soldeersel | soldadura |
| Soldeertin | Lot |
| solden | rebaja |
| solderen | soldadura |
| solderen met messing | soldar en fuerte |
| soldij | salario |
| solecisme | solecismo |
| Solenne Figues | Solenne Figues |
| Solenodons | Solenodon |
| solenoïde | solenoide |
| Solfatara | Solfatara |
| solfer | azufre |
| Soli | Soli |
| soliciteren | solicitar |
| Solid Snake | Solid Snake |
| Solid state | Sólido |
| Solid state disk | Disco de estado sólido |
| Solid state lighting | Solid-state lighting |
| solidair | solidario |
| solidariteit | solidaridad |
| Solidarność | Solidarność |
| solide | robusto |
| soliditeit | solidez |
| Solidus | Solidum |
| Solifugae | Solifugae |
| Solingen | Solingen |
| solipsisme | solipsismo |
| solist | solista |
| soliste | solista |
| solitair | solo |
| solitaire | solitaria |
