Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
кънига
←
Proto-Slavic
*kъňiga
(inherited)
→
Old Church Slavonic
некънижьникъ
(affix)
→
Old Church Slavonic
кънижьникъ
(suffix)