Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
slobod
←
Bulgarian
свободен
(borrowed)
←
Proto-Slavic
*svoboda
(derived)
→
Romanian
sloboz
(mention)
→
Romanian
slobozi
(suffix)
→
Romanian
slobozie
(suffix)