Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*peḱ- (livestock)
→
English
feudalism
(root)
→
English
fief
(root)
→
English
peculate
(root)
→
English
feoff
(root)