Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
невежда
←
Old Church Slavonic
невѣжда
(borrowed)
←
Russian
неве́жа
(doublet)
←
Proto-Slavic
*nevěďa
(derived)
←
Proto-Slavic
*ne-
(mention)
←
Proto-Slavic
*věďa
(mention)
←
Proto-Slavic
*věděti
(mention)