Shuwa-Zamani
Shwai
Sialum
Siamou
Sian
Siane
Siang
Siar-Lak
Siawi
Sibe
Sicanian
Sicel
Sicilian
Sidamo
Sidetic
Sie
Sierra Leone Sign Language
Sighu
Sihan
Sika
Sikaiana
Sikaritai
Sikiana
Sikkimese
Siksika
Sikule
Sila
Sileibi
Silesian
Silesian, Lower
Silimo
Siliput
Silopi
Silt'e
Simaa
Simba
Simbali
Simbari
Simbo
Simeku
Simeulue
Simte
Sinagen
Sinasina
Sinaugoro
Sindarin
Sindhi
Singa
Singapore Sign Language
Singpho
ISO 639-3 Inverted Names