Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*prǫga
→
Bulgarian
пръг
(inherited)
→
Polish
pręga
(inherited)
→
Serbo-Croatian
pruga
(inherited)
→
Serbo-Croatian
пруга
(inherited)