Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
-ьство
→
Old Church Slavonic
обьщьство
(affix)
→
Old Church Slavonic
хѫдожьство
(affix)