Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
округ
←
Old East Slavic
округъ
(inherited)
←
Russian
субо́круг
(link)
←
Russian
круг
(link)
←
Russian
о́бласть
(link)
←
Russian
райо́н
(link)
←
Proto-Slavic
*okrǫgъ
(inherited)
←
Proto-Slavic
*ob-
(mention)
←
Proto-Slavic
*krǫgъ
(mention)