Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
овраг
←
Bulgarian
овра́г
(cognate)
←
Old East Slavic
врагъ
(derived)
←
Proto-Slavic
*vьragъ
(derived)