Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
въртоп
←
Old Church Slavonic
врьтъпъ
(cognate)
←
Romanian
Vârtop
(cognate)
←
Proto-Slavic
*vьrtъpъ
(inherited)