Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
крепкий
←
Proto-Slavic
*krěpъkъ
(inherited)
→
Russian
укрепить
(affix)
→
Russian
крепыш
(affix)