Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
illa
←
Catalan
illa
(cognate)
←
Spanish
isla
(cognate)
←
French
île
(cognate)
←
Latin
īnsula
(inherited)
←
Portuguese
ínsua
(cognate)
→
Catalan
illa
(cognate)