Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
прапоръ
→
Romanian
prapur
(borrowed)
→
Russian
прапорщик
(derived)
→
Russian
прапор
(borrowed)
→
Ukrainian
прапор
(borrowed)