Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
кротъкъ
←
Proto-Indo-European
*ḱrot(H)-
(derived)
←
Proto-Slavic
*krotъkъ
(inherited)