Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Petropavlovca
←
Russian
Петропавловка
(borrowed)
←
Russian
Петропавл
(affix)
←
Russian
-овка
(affix)
←
Russian
Пётр
(affix)
←
Russian
Павел
(affix)