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