Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Severinovca
←
Russian
Севериновка
(borrowed)
←
Russian
Северин
(affix)
←
Russian
-овка
(affix)
←
Russian
север
(mention)