Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
égo
←
French
je
(doublet)
←
Latin
ego
(borrowed)
→
French
égocentrisme
(mention)
→
French
égotisme
(suffix)
→
French
égoïté
(suffix)
→
French
égoportrait
(compound)