Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
អរ
←
Proto-Mon-Khmer
*ʔər
(inherited)
←
Proto-Mon-Khmer
*ʔəər
(mention)
→
Khmer
អរគុណ
(compound)
→
Thai
อร
(cognate)
→
Thai
อารี
(cognate)