Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
прах
←
Old Church Slavonic
прахъ
(inherited)
←
Proto-Slavic
*porxъ
(derived)
→
Bulgarian
прахоляк
(affix)