Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Thai
บึง
←
Khmer
បឹង
(cognate)
←
Old Khmer
បិង៑
(borrowed)
→
Khmer
បឹង
(cognate)
→
Lao
ບຶງ
(cognate)
→
Thai
บึงกาฬ
(compound)