Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Thai
ออ
←
Khmer
អា
(cognate)
←
Lao
ອໍ
(cognate)
←
Old Khmer
អា
(borrowed)
←
Old Khmer
អ
(mention)
→
Thai
เออออ
(compound)
→
Thai
ออเจ้า
(compound)