Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
thung lũng
←
Khmer
លុង
(cognate)
←
Proto-Mon-Khmer
*luŋ(h)
(inherited)
←
Proto-Mon-Khmer
*luuŋh
(mention)
←
Vietnamese
lủng
(mention)
←
Vietnamese
trũng
(mention)
←
Vietnamese
lũng
(mention)