Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Măcin
←
Bulgarian
Maчин
(borrowed)
←
Bulgarian
Maчo
(affix)
←
Bulgarian
-ин
(affix)
←
Bulgarian
Матей
(mention)