Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Gherșunovca
←
Russian
Гершуновка
(borrowed)
←
Russian
Гершун
(affix)
←
Russian
-овка
(affix)