Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
пирогъ
→
Belarusian
пірог
(inherited)
→
Finnish
piirakka
(derived)
→
Russian
пирог
(inherited)
→
Ukrainian
пиріг
(inherited)