Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
щур
←
Proto-Slavic
*ščurъ
(inherited)
→
Bulgarian
щурец
(affix)
→
Bulgarian
щурея
(affix)