Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ligurian
öca
←
Dalmatian
jauca
(cognate)
←
French
oie
(cognate)
←
Latin
avis
(derived)
←
Occitan
auca
(cognate)