Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Vietnamese trũng
← Khmer លុង (cognate)
← Proto-Mon-Khmer *luuŋ(h) (inherited)
← Central Nicobarese ong-lòng (cognate)

→ Khmer លុង (cognate)
→ Mizo lawng (cognate)
→ Burmese လှိုင်း (cognate)
→ Vietnamese thung lũng (mention)
→ Chinese 船 (cognate)