Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
រុក
→
Khmer
រុករាន
(compound)
→
Khmer
រុករក
(compound)
→
Thai
รุก
(cognate)