Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
សូម
←
Khmer
សុំ
(doublet)
→
Khmer
សុំ
(cognate)
→
Khmer
សូមទោស
(compound)