Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
volnic
←
Proto-Slavic
*volьnъ
(borrowed)
←
Proto-Slavic
*volъ
(affix)
←
Proto-Slavic
*-ьnъ
(affix)
→
Romanian
volnicește
(suffix)