Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
អា
→
Khmer
អានរក
(compound)
→
Khmer
សមាភាគ
(compound)
→
Thai
ออ
(cognate)