| sibyl | sibila |
| Sibylla of Jerusalem | Sibila de Jerusalén |
| sibylline | sibilino |
| Sibylline Books | Libros Sibilinos |
| sic | así |
| Sicani | Sicanos |
| Sicard of Benevento | Sicardo de Benevento |
| Sicco Mansholt | Sicco Mansholt |
| Sicels | Sículos |
| Sicherheitsdienst | Sicherheitsdienst |
| Sichuan | Sichuan |
| Sichuan pepper | Pimienta de Sichuan |
| Sichuan Yi | Yi de Sichuan |
| Sicialian | Siciliana |
| Sicilia | Sicilia |
| Sicilian | Sicilia |
| Sicilian Baroque | Barroco siciliano |
| Sicilian Defence | Defensa siciliana |
| Sicilian Expedition | Expedición a Sicilia |
| Sicilian Fir | Abies nebrodensis |
| Sicilian language | Idioma siciliano |
| Sicilian man | Idioma siciliano |
| Sicilian National Front | Frente Nacional Siciliano |
| Sicilian Vespers | Vísperas sicilianas |
| Sicilian Wikipedia | Wikipedia en siciliano |
| Sicilian woman | Siciliana |
| Siciliana | Siciliana |
| Sicily | Sicilia |
| sick | mareado |
| sick building syndrome | síndrome del edificio enfermo |
| sick call | visita médica |
| sick leave | licencia por enfermedad |
| Sick of It All | Sick Of It All |
| sick pay | subsidio por enfermedad |
| sick person | enfermo |
| Sick Puppies | Sick Puppies |
| sick to one's stomach | mareado |
| sickbay | enfermería |
| sickbed | lecho de enfermo |
| Sickel | Acero |
| sicken | enfermar |
| sicken somebody | dar náuseas a alguien |
| sickening | repugnante |
| sickle | hoz |
| sickle cell anemia | anemia de células falciformes |
| sickle cell disease | anemia de células falciformes |
| sickle-cell anemia | anemia de células falciformes |
| sickle-cell disease | anemia de células falciformes |
| sicklemia | anemia de células falciformes |
| sickly | enfermizo |
| sickness | mal |
| sickness benefit | subsidio por enfermedad |
| sickroom | cuarto de enfermo |
| Sico of Benevento | Sico I de Benevento |
| Sicyon | Sición |
| Sid and Marty Krofft | Sid y Marty Krofft |
| Sid Meier | Sid Meier |
| Sid Vicious | Sid Vicious |
| Sid Wilson | Sid Wilson |
| Siddhartha | Siddhartha |
| side | aspecto |
| side by side | lado a lado |
