Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
escull
←
French
écueil
(cognate)
←
Ancient Greek
σκόπελος
(derived)
←
Latin
scopulus
(inherited)
←
Occitan
escuèlh
(cognate)
←
Old Occitan
escueyll
(inherited)
→
Catalan
escullera
(mention)
→
Spanish
escollo
(cognate)
→
French
écueil
(cognate)