Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
правьдьникъ
←
Old Church Slavonic
правьда
(affix)
←
Old Church Slavonic
-ьникъ
(affix)