Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Buryat
улус
←
Buryat
улас
(doublet)
←
Russian
улу́с
(borrowed)
←
Proto-Turkic
*ulu-ĺ
(derived)
→
Buryat
улас
(doublet)