Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
drob
←
Bulgarian
дроб
(borrowed)
←
Russian
дрок
(borrowed)
←
Serbo-Croatian
drob
(borrowed)
←
Proto-Slavic
*drobъ
(derived)
→
Romanian
Drob
(mention)
→
Romanian
drobușor
(suffix)
→
Romanian
drobiță
(suffix)
→
Romanian
Drobu
(mention)