Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
potrivnic
←
Proto-Slavic
*protivьnikъ
(borrowed)
←
Proto-Slavic
*protivъ
(affix)
←
Proto-Slavic
*-nikъ
(affix)
→
Romanian
potrivnicie
(suffix)