Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cafurna
←
Latin
cava
(inherited)
←
Latin
*furnea
(mention)
←
Latin
caverna
(mention)
←
Occitan
cafourno
(cognate)
←
Portuguese
cafurna
(cognate)