Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*bъlvanъ
→
Polish
bałwan
(inherited)
→
Romanian
bolovan
(derived)
→
Russian
болван
(inherited)
→
Serbo-Croatian
balvan
(inherited)