Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
questu
←
Spanish
aqueste
(cognate)
←
Italian
questo
(cognate)
←
Latin
(inherited)
←
Latin
eccum
(mention)
←
Latin
iste
(mention)