Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
вратъ
←
Russian
во́рот
(cognate)
←
Proto-Slavic
*vortъ
(inherited)
→
Russian
ворот
(cognate)