Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
juene
←
Proto-Indo-European
*h₂yuh₁en-
(derived)
←
Latin
iuvenis
(inherited)
→
French
jeune
(inherited)
→
Middle French
ieune
(inherited)
→
Old French
juenesce
(suffix)
→
Norman
janne
(inherited)
→
Walloon
djonne
(inherited)