Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
благодетель
←
Old Church Slavonic
благодѣтел҄ь
(borrowed)
←
Russian
бла́го
(affix)
←
Russian
-о-
(affix)
←
Russian
деть
(affix)
←
Russian
-тель
(affix)