Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
заслон
←
Old Church Slavonic
заслонъ
(derived)
←
Proto-Slavic
*za-
(affix)
←
Proto-Slavic
*slonъ
(affix)