Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*stьrkъ
→
Bulgarian
щъркел
(derived)
→
Bulgarian
щърк
(inherited)
→
Old Church Slavonic
стрькъ
(inherited)
→
Macedonian
штрк
(inherited)
→
Russian
стерх
(derived)