Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
covaci
←
Proto-Slavic
*kovačь
(borrowed)
←
Proto-Slavic
*kovati
(mention)
→
Romanian
covăcie
(suffix)
→
Romanian
Covaci
(mention)
→
Romanian
Covaciu
(mention)