Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Macedonian
-ко
←
Proto-Slavic
*-ьko
(inherited)
→
Macedonian
снешко
(affix)
→
Macedonian
серко
(suffix)
→
Macedonian
брборко
(affix)
→
Macedonian
дрдорко
(affix)
→
Macedonian
Ѕвонко
(affix)