Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
рогъ
←
Proto-Slavic
*rogъ
(inherited)
→
Old Church Slavonic
еднорогъ
(link)
→
Romanian
Rogna
(affix)
→
Romanian
Rogova
(affix)