Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
сечца
←
Bulgarian
сека́
(affix)
←
Bulgarian
-ца
(affix)
←
Old Church Slavonic
сѣчьца
(inherited)