Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
pois
←
Latin
post
(inherited)
←
Latin
*postius
(mention)
←
Latin
postea
(mention)
→
Occitan
puèi
(inherited)