Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*bez-
→
Old Church Slavonic
без-
(inherited)
→
Romanian
becisnic
(affix)
→
Russian
безымянный
(affix)