Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
bucvariu
←
Old Church Slavonic
боукъварь
(borrowed)
←
Old Church Slavonic
боукꙑ
(mention)
←
Macedonian
буквар
(cognate)
←
Serbo-Croatian
буквар
(cognate)
←
Proto-Slavic
*buky
(derived)