Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
crov
←
Serbo-Croatian
krov
(borrowed)
←
Proto-Slavic
*krovъ
(derived)
→
Romanian
Crovu
(mention)