Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
удостоверение
←
Bulgarian
удостоверя́
(affix)
←
Bulgarian
-ние
(affix)
←
Bulgarian
удостоверя́ване
(cognate)
←
Russian
удостовере́ние
(borrowed)