Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
аснова
←
Russian
осно́ва
(cognate)
←
Proto-Slavic
*osnova
(inherited)
←
Ukrainian
осно́ва
(cognate)