Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
chantar
←
Latin
cantāre
(inherited)
←
Latin
cantō
(mention)
←
Latin
canō
(mention)
←
Old Occitan
chantar
(inherited)