Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
រៀន
←
Lü
ᦵᦣᧃ
(cognate)
←
Northern Khmer
รฺีน
(cognate)
←
Lao
ຮຽນ
(cognate)
←
Proto-Mon-Khmer
*riən
(inherited)
←
Thai
เรียน
(cognate)
→
Lü
ᦵᦣᧃ
(cognate)
→
Khmer
សាលារៀន
(compound)
→
Khmer
មេរៀន
(compound)
→
Thai
เรียน
(cognate)