Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*čekanъ
→
Macedonian
чекан
(inherited)
→
Polish
czekan
(derived)
→
Russian
чекан
(inherited)