Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Bârzava
←
Old Church Slavonic
бързава
(borrowed)
←
Old Church Slavonic
бързъ
(mention)
←
Proto-Slavic
*bъrzъ
(derived)