Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
Peitieus
←
Old French
Peitiers
(cognate)
←
Latin
Pictāva
(inherited)
←
Latin
Pictāvium
(mention)
←
Latin
Pictāvis
(mention)
←
Old Occitan
Peitieus
(inherited)