Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*ščьrba
→
Czech
štěrba
(inherited)
→
Polish
szczerba
(inherited)
→
Russian
щербина
(inherited)