Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pacoh
cha
←
Proto-Katuic
*caa
(inherited)
←
Proto-Mon-Khmer
*caʔ
(inherited)
→
Bahnar
sa
(cognate)