Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
глуп
←
Proto-Slavic
*glupъ
(inherited)
→
Bulgarian
глупец
(affix)
→
Bulgarian
глупост
(suffix)
→
Bulgarian
глупав
(affix)
→
Bulgarian
глупоч
(affix)