Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
prăznui
←
Old Church Slavonic
праздьновати
(borrowed)
←
Old Church Slavonic
праздьнъ
(mention)
←
Proto-Slavic
*porzdьnъ
(derived)
→
Romanian
prăznuire
(suffix)