Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cobiliță
←
Bulgarian
кобилица
(borrowed)
←
Serbo-Croatian
кобилица
(borrowed)
←
Proto-Slavic
*kobylica
(derived)
←
Proto-Slavic
*kobyla
(mention)
→
Romanian
Cobiliță
(mention)