Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
bleg
←
Serbo-Croatian
blag
(cognate)
←
Serbo-Croatian
blek
(derived)
←
Proto-Slavic
*bolgъ
(mention)