Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
torró
←
Catalan
terró
(mention)
←
Latin
torrere
(mention)
←
Neapolitan
terrone
(mention)
←
Occitan
terroun
(mention)
→
Spanish
turrón
(derived)