Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
ខ្នាត
←
Kuy
-
(cognate)
←
Proto-Mon-Khmer
*knaat
(inherited)
→
Thai
ขนาด
(derived)