Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
cardon
←
Latin
carduus
(derived)
←
Old Occitan
cardon
(borrowed)
→
French
chardon
(doublet)
→
Romanian
cardon
(borrowed)