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