Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*matorъ
→
Romanian
mator
(derived)
→
Serbo-Croatian
mator
(inherited)
→
Serbo-Croatian
матор
(inherited)