Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
caravaning
←
French
caravane
(derived)
←
French
camp
(mention)
←
French
camping
(mention)
←
Proto-Indo-European
*ker-
(root)