| sully | manchar |
| Sully Prudhomme | Sully Prudhomme |
| Sulmona | Sulmona |
| sulphur | azufre |
| sulphur concentration | concentración de azufre |
| sulphur dioxide | dióxido de azufre |
| sulphuric acid | ácido sulfúrico |
| Sulpicius Severus | Sulpicio Severo |
| sultan | sultán |
| Sultan Ahmed Mosque | Mezquita Azul |
| Sultan al-Atrash | Pasha Al-Atrash |
| sultana | sultana |
| sultanate | sultanato |
| Sultanate of Oman | Omán |
| Sultanes Monterrey | Sultanes de Monterrey |
| Sultanism | Sultanismo |
| Sultanpur National Park | Parque Nacional de Sultanpur |
| Sultans of Swing | Sultans of swing |
| sultriness | calor sofocante |
| sultry | sofocante |
| Sulu Sea | Mar de Sulu |
| Sulz am Neckar | Sulz am Neckar |
| Sulzheim | Sulzheim |
| sum | suma |
| sum up | resumir |
| Suma root | Pfaffia paniculata |
| sumac | zumaque |
| Sumacàrcer | Sumacárcel |
| Sumatra | Sumatra |
| Sumatran Orangutan | Pongo abelii |
| Sumatran rhinoceros | rinoceronte de Sumatra |
| Sumatran Striped Rabbit | Nesolagus netscheri |
| Sumatran tiger | tigre de Sumatra |
| Sumba | Sumba |
| Sumbawa | Sumbawa |
| Sumer | Sumeria |
| Sumerian | sumerio |
| Sumerian king list | Lista de reyes sumerios |
| Sumerian language | Idioma sumerio |
| Sumgait pogrom | Pogromo de Sumgait |
| Sumida River | Sumida |
| Sumidero Canyon | Cañón del Sumidero |
| Sumiswald | Sumiswald |
| Sumitomo Group | Grupo Sumitomo |
| Summa Theologica | Summa Theologiae |
| Summanus | Summanus |
| summarize | resumir |
| summarized | breve |
| summary | compendio |
| summation | resumen |
| summer | verano |
| summer camp | colonia veraniega |
| summer lightning | relámpago |
| summer month | mes de verano |
| Summer of Love | Verano del amor |
| Summer Olympic Games | Juegos Olímpicos de verano |
| Summer Olympics medal count | Medallero de los Juegos Olímpicos de Verano |
| Summer Palace | Palacio de Verano |
| summer savory | ajedrea |
| summer school | curso de verano |
| summer season | verano |
| summer squash | calabaza |
| Summer Triangle | Triángulo de verano |
| Summerhill School | Escuela de Summerhill |
| Summerland | summerland |
| summerly | estkval |
| summersault | dar vueltas |
| SummerSlam | SummerSlam |
| summertime | verano |
| summery | estival |
| summing-up | recapitulación |
| summit | apogeo |
| summit conference | cumbre |
| Summit of the Americas | Cumbre de las Américas |
| Summits | Meridiano |
| summon | citar |
| summoner | andador |
| summons | citación judicial |
| Summorum Pontificum | Summorum Pontificum |
| Sumo | Sumo |
| Sumomomo Momomo | Sumomo mo Momo mo |
| sump | pozo negro |
| sumptuous | suntuoso |
