Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*perkъ
→
Bulgarian
пряк
(inherited)
→
Bulgarian
въпреки
(derived)
→
Polish
przeczyć
(mention)
→
Russian
вопреки
(derived)