Khmer ឫស

← Nyah Kur ริฮ่ (cognate)

← Northern Khmer รืฮ (cognate)

← Proto-Mon-Khmer *ris (inherited)

← Mon ရိုဟ် (cognate)

← Vietnamese rễ (cognate)

→ Bahnar rơh (cognate)

→ Nyah Kur ริฮ่ (cognate)

→ Khmer ពាក្យឫស (compound)

→ Mon ရိုဟ် (cognate)

→ Semai re'iis (cognate)

→ Vietnamese rễ (cognate)