Vietnamese rụng

← Bahnar rŭng (cognate)

← Proto-Mon-Khmer *ruŋ (inherited)

← Proto-Mon-Khmer *ruuŋ (mention)

← Proto-Mon-Khmer *ruəŋ (mention)

← Proto-Vietic *ruŋʔ (inherited)

→ Vietnamese rơi rụng (compound)