Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
геро́й
→
Bulgarian
герой
(borrowed)
→
Polish
gieroj
(borrowed)
→
Russian
героический
(affix)
→
Russian
геройский
(affix)
→
Russian
геройство
(affix)
→
Russian
город-герой
(affix)