Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
besson
←
Catalan
bessó
(cognate)
←
Latin
*bissōne
(mention)
←
Old Occitan
besso
(inherited)
→
Catalan
bessó
(cognate)
→
Occitan
Bessons
(mention)