Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
просинец
←
Russian
про́синь
(suffix)
←
Russian
ец
(suffix)
←
Proto-Slavic
*prosìnьcь
(inherited)