Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
inorog
←
Bulgarian
инорог
(cognate)
←
Old Church Slavonic
инорогъ
(borrowed)
←
Proto-Slavic
*jьnъ
(affix)
←
Proto-Slavic
*rogъ
(affix)