Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Eastern Mnong
dak
←
Proto-Mon-Khmer
*ɗaak
(inherited)
→
Khmer
ទឹក
(cognate)
→
Vietnamese
nước
(cognate)