Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
покаяние
←
Russian
по-
(mention)
←
Russian
ка́яться
(mention)
←
Proto-Slavic
*kàjati
(inherited)
→
Russian
покаянный
(affix)