Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
kuper
←
Proto-Slavic
*kuprъ
(inherited)
→
Polish
kuprówka
(affix)
→
Polish
kuperek
(affix)