Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
окружность
←
Belarusian
акру́жнасць
(cognate)
←
Russian
окружно́й
(affix)
←
Russian
-ость
(affix)