Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cosiță
←
Bulgarian
косица
(borrowed)
←
Bulgarian
коса
(mention)
←
Proto-Slavic
*kosa
(derived)
→
Romanian
cosicioară
(suffix)