Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
char
←
French
car
(doublet)
←
Old French
char
(inherited)
←
Latin
carrus
(inherited)
→
French
car
(doublet)
→
French
charron
(suffix)
→
French
antichar
(prefix)
→
French
charroyer
(suffix)
→
French
charrière
(suffix)
→
Old French
carre
(cognate)