| Sparidae | Sparidae |
| sparing | económico |
| spark | chispa |
| Spark erosion | Electroerosión |
| spark plug | bujía |
| Spark-erosion | Electroerosión |
| sparkle | centellear |
| sparkle with enthusiasm | rebosar de entusiasmo |
| sparkler | cohete chispero |
| sparkling | centelleante |
| Sparkling Cyanide | Cianuro espumoso |
| sparkling water | soda |
| sparkling wine | vino espumoso |
| sparring | boxeo de entrenamiento |
| sparrow | gorrión |
| sparrow hawk | gavilán |
| sparse | esparcir |
| sparsely | escasamente |
| sparsely populated | escasamente poblado |
| sparseness | escasez |
| sparsity | escasez |
| Sparta | Esparta |
| Sparta Prague | AC Sparta Praha |
| Sparta Praha | AC Sparta Praha |
| Sparta Rotterdam | Sparta Rotterdam |
| Spartacist League | Liga Espartaquista |
| Spartacist uprising | Levantamiento Espartaquista |
| Spartacus | Espartaco |
| Spartak Saint Petersburg | Espartaco |
| Spartak Sofia | Espartaco |
| Spartakiad | Espartaquiada |
| Spartakus and the Sun Beneath the Sea | Espartaco y el sol bajo el mar |
| Spartan | espartano |
| Spartes | Espartos |
| Spartina alterniflora | Spartina alterniflora |
| Spartina anglica | Spartina anglica |
| Sparus aurata | Sparus aurata |
| Spas-Demensk | Spas-Demensk |
| spasm | acceso |
| spasmodic | convulsivo |
| spasmodic croup | grupa irregular |
| spastic | parapléjico |
| spat | reñir |
| spate | chaparrón |
| Spathodea | Spathodea |
| spatial | espacial |
| Spatialism | Espacialismo |
| spatter | salpicar de |
| spatter on | salpicar |
| spatter with | salpicar de |
| spatula | espátula |
| spatulate | espatulado |
| spavin | esparaván |
| spawn | hueva |
| spay | castrar |
| Spe Salvi | Spe salvi |
| speak | pronunciar un discurso |
| speak about | hablar de |
| speak for | defender |
| speak for itself | hablar por sí solo |
| speak freely | expresarse libremente |
| speak highly of | hablar muy bien de |
| speak ill | criticar |
| speak in a monotone | hablar en una monótona |
| speak of | hablar de |
| speak of the devil | hablando del rey de Roma, por la puerta asoma |
| speak one's mind | decir lo que uno piensa |
| speak out | expresarse libremente |
| Speak plainly | Hablar claro |
| speak to | dirigirse a |
| speak up | hablar fuerte |
| speak very well of | hablar muy bien de |
| speak volumes | hablar por sí solo |
| speak with | hablar con |
| speak with a lisp | cecear |
| speakeasy | taberna clandestina |
| speaker | altavoz |
| Speaker for the Dead | La voz de los muertos |
| Speaker of the United States House of Representatives | Presidente de la Cámara de Representantes de los Estados Unidos |
| spear | lanza |
| Spear of Destiny | Lanza Sagrada |
| spearhead | vanguardia |
| spearmint | menta verde |
| special | especial |
| Special administrative region | Región administrativa especial |
| Special administrative regions | Región administrativa especial |
| Special Area of Conservation | Zona de Especial Conservación |
| Special Assignments | Decorator |
| special bargain | oferta especial |
| special delivery | entrega especial |
| special delivery mailman | cartero de urgencia |
| special dish of the day | plato del día |
| Special edition | Número extraordinario |
| special effect | efectos especiales |
| Special English | Inglés especial |
| Special functions | Lista de funciones matemáticas |
| Special law | Ley de mayoría especial |
| special leave | permiso especial |
| Special member state territories and the European Union | Región ultraperiférica de la Unión Europea |
| special offer | oferta especial |
| Special Olympics | Special Olympics |
| Special Olympics World Games | Special Olympics |
| Special Operations Executive | Special Operations Executive |
| Special Period | Periodo especial |
| Special Protection Area | Zona de especial protección para las aves |
| Special relativity | Teoría de la Relatividad Especial |
| special school | escuela de educación especial |
| Special unitary group | Grupo especial unitario |
| specialist | experto |
| Specialist Crime Directorate | Policía judicial |
| speciality | especialidad |
| specialization | especialización |
| specialize | especializar |
| specialize in | concentrarse en |
| Specialized Bicycle Components | Specialized |
| Specialized Bicycles Components | Specialized |
| specially | sobre todo |
| specialty | competencia |
| Specialty channel | Canales de especialidad |
| speciation | especiación |
| specie | metálico |
| species | especie |
| Species of trout | Salvelinus alpinus |
| Species Plantarum | Species Plantarum |
| specific | distintivo |
