Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
радея
←
Russian
радеть
(cognate)
←
Serbo-Croatian
радити
(cognate)
←
Proto-Slavic
*rędъ
(inherited)
→
Serbo-Croatian
raditi
(cognate)
→
Serbo-Croatian
радити
(cognate)