Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Macedonian
череп
←
Proto-Slavic
*čerpъ
(inherited)
→
Macedonian
цреп
(doublet)
→
Macedonian
црепна
(mention)