Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
dobèrt
←
French
ouvert
(cognate)
←
Latin
apertus
(inherited)
←
Latin
aperiō
(mention)
←
Occitan
dobrir
(mention)
←
Piedmontese
duvert
(cognate)