Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cerni
←
Russian
чернить
(cognate)
←
Serbo-Croatian
crneti
(cognate)
←
Proto-Slavic
*črъniti
(borrowed)
←
Proto-Slavic
*čьrnъ
(derived)
→
Romanian
cernit
(mention)