Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
весельѥ
←
Old Church Slavonic
веселъ
(affix)
←
Old Church Slavonic
-ие
(affix)
←
Proto-Slavic
*veselьje
(inherited)
→
Bulgarian
веселие
(inherited)