Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
радив
←
Bulgarian
раде́я
(affix)
←
Bulgarian
-ив
(affix)
←
Russian
ради́вый
(cognate)
←
Proto-Slavic
*radivъ
(inherited)