Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
correio
←
Spanish
correo
(borrowed)
←
Old French
corlieu
(derived)
←
Latin
currō
(derived)
←
Old Occitan
corrieu
(derived)