Bahnar khei

← Alak - (cognate)

← Khmer ខែ (cognate)

← Lamet - (cognate)

← Proto-Bahnaric *khai (inherited)

← Proto-Mon-Khmer *khəjʔ (inherited)

← Mlabri - (cognate)

← Pacoh kixay (cognate)

← Sedang khế (cognate)

→ Khmer ខែ (cognate)