Bahnar rơh

← Alak - (cognate)

← Khmer ឫស (cognate)

← Proto-Bahnaric *riəh (inherited)

← Proto-Mon-Khmer *ris (inherited)

← Nyaheun - (cognate)

← Pacoh reaih (cognate)

← Semai re'is (cognate)

← Vietnamese rễ (cognate)

→ Vietnamese rễ (cognate)