| sinecura | sinecure |
| sinecuraha | sinistrous |
| sineiro | bell ringer |
| Sinemuriano | Sinemurian |
| sinergia | synergy |
| Sinestesia | Synesthesia |
| sinetaoha | sinistrous |
| sinete | signet |
| sineteoha | disaster |
| Sinferopol | Simferopol |
| sinfonia | symphony |
| Sinfonia concertante | Sinfonia concertante |
| Sinfonia Fantástica | Symphonie fantastique |
| Sinfonia inacabada | Symphony in E flat |
| Sinfonia Manfredo | Manfred Symphony |
| Sing Buri | Sing Buri Province |
| Sing si lip yan | City Hunter |
| singalêsha | sinistrous |
| Singapore Airlines | Singapore Airlines |
| Singapura | Singapore |
| singapuriano | Singaporean |
| Singen | Singen |
| Singh | Singh |
| Singida | Singida Region |
| singing-pássaro | singing-bird |
| Single | Single |
| Single player | Single-player |
| Single UNIX Specification | Single UNIX Specification |
| singletodade | singletity |
| singleton | singleton |
| SingStar | SingStar |
| SingStar Party | SingStar Party |
| singular | unusual |
| singularidade | quaintness |
| Singularidade matemática | Mathematical singularity |
| Singularidade tecnológica | Technological singularity |
| singularmente | extremely |
| Sininho | Tinkerbell |
| sinistramente | grimly |
| sinistrismo | grimness |
| sinistro | weird |
| sinistro (gíria) | vicious (AUS) |
| sinistro fraudulento (seguro) | fraudulent claim |
| sinistro impugnado (seguro) | disputed claim |
| sinistroha | ghastly |
| Sinkiang | Xinjiang |
| Sinn Féin | Sinn Féin |
| Sinningia | Sinningia |
| sino | Chinese |
| Sino da Liberdade | Liberty Bell |
| sino- | Sino- |
| sino-japonês | Sino-Japanese |
| sinoaha | bellards |
| sinologia | sinology |
| Sinop | Sinop Province |
| sinople | vert |
| sinopse | summary |
| sinopseha | abstract |
| sinovite do cotovelo | tennis elbow |
| Sinquião | Xinjiang |
| Sint Annaland | Sint Annaland |
| Sint Maarten | Sint Maarten |
| Sint Philipsland | Sint Philipsland |
| Sint-Amands | Sint-Amands |
| Sint-Andries | Sint-Andries |
| Sint-Genesius-Rode | Sint-Genesius-Rode |
| Sint-Gillis-Waas | Sint-Gillis-Waas |
| Sint-Katelijne-Waver | Sint-Katelijne-Waver |
| Sint-Laureins | Saint Lawrence River |
| Sint-Lievens-Houtem | Sint-Lievens-Houtem |
| Sint-Martens-Latem | Sint-Martens-Latem |
| Sint-Michiels | Sint-Michiels |
| Sint-Niklaas | Saint Nicholas |
| Sint-Pieters-Leeuw | Sint-Pieters-Leeuw |
| Sint-Truiden | Sint-Truiden |
| sintagma nominal | noun phrase |
| sintaxe | syntax |
| sintaxeha | syntaxds |
