Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
alongar
←
Latin
elongō
(mention)
←
Latin
longus
(inherited)
←
Occitan
a
(confix)
←
Occitan
long
(confix)
←
Occitan
ar
(confix)