Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
rồi
←
Proto-Mon-Khmer
*ruj
(inherited)
←
Proto-Mon-Khmer
*ruuj
(mention)
→
Vietnamese
thôi
(mention)
→
Vietnamese
vô công rồi nghề
(compound)