Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Ulciug
←
Old Church Slavonic
*Вьлчькъ
(derived)
←
Old Church Slavonic
влькъ
(affix)
←
Old Church Slavonic
-ъкъ
(affix)
←
Hungarian
Völcsök
(borrowed)