Bahnar sa

← Halang cha (cognate)

← Khmer ស៊ី (cognate)

← Koho saa (cognate)

← Proto-Bahnaric *caː (inherited)

← Proto-Mon-Khmer *caʔ (inherited)

← Mon စ (cognate)

← Pacoh cha (cognate)

← Semai ca (cognate)