Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mon-Khmer
*ɗum
→
Bahnar
đum
(inherited)
→
Khmer
ទុំ
(inherited)
→
Chinese
葚
(cognate)