Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Turkic
*bögü
→
Gagauz
büü
(inherited)
→
Mongolian
бөө
(derived)
→
Turkish
büyü
(inherited)
→
Kalmyk
бө
(derived)