Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
grădiște
←
Bulgarian
градище
(borrowed)
←
Proto-Slavic
*gordišče
(derived)
←
Proto-Slavic
*gordъ
(mention)
→
Romanian
Grădiștea
(mention)