Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
cavallu
←
Gaulish
*kaballos
(derived)
←
Proto-Celtic
*kaballos
(derived)
←
Italian
cavallo
(cognate)
←
Latin
caballus
(inherited)
←
Portuguese
cavalo
(cognate)
→
Corsican
pesciu cavallu
(mention)