Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mon-Khmer
*ʔuŋ
→
Parauk
awng:
(inherited)
→
Semai
ook
(inherited)
→
Thavung
ออง
(inherited)
→
Vietnamese
ong
(inherited)