Language codes (3 letters) Abbreviations and Acronyms
- SNISENSI: an extinct language of Peru
- SO E ASIASoutheast Asia
- SOGSogdian
- SOMSomali Language (ISO 639-2 Code)
- SONSonghai
- SPASpanish Language (ISO 639-2 Code)
- SQAlbanian
- SQIAlbanian Language (ISO 639-2 Code)
- SRDSardinian Language (ISO 639-2 Code)
- SRFNAFI: a language of Papua New Guinea
- SRRSerer
- SUKSukuma
- SUNSudanese
- SUSSusu
- SUXSumerian
- SVESwedish
- SWSwedish
- SWASwahili Language (ISO 639-2 Code)
- SWESwedish Language (ISO 639-2 Code)
- SYRSyriac
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