Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
caguer
←
French
chier
(doublet)
←
Latin
caco
(derived)
←
Occitan
cagar
(borrowed)
→
French
chier
(doublet)