Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*pel- (skin)
→
English
fell
(root)
→
English
erysipelas
(root)
→
English
pellicule
(root)
→
English
pellicle
(root)