Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
drug
←
Proto-Balto-Slavic
*draugás
(inherited)
←
Proto-Indo-European
*dʰrewgʰ-
(derived)
←
Proto-Slavic
*drugъ
(inherited)
→
Romanian
drug
(mention)
→
Serbo-Croatian
drugar
(affix)