Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Classical Mongolian
ᠰᠣᠶ᠋ᠤᠯ
→
Buryat
соёл
(borrowed)
→
Mongolian
соёл
(inherited)