Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
illa
←
Spanish
isla
(cognate)
←
French
île
(cognate)
←
Latin
īnsula
(inherited)
←
Occitan
illa
(cognate)
←
Occitan
iscla
(mention)
←
Portuguese
ínsua
(cognate)
←
Old Catalan
illa
(inherited)
→
Catalan
forquilla
(suffix)
→
Catalan
Illa
(mention)
→
Catalan
illenc
(suffix)
→
Catalan
aïllar
(confix)
→
Catalan
faldilla
(suffix)
→
Catalan
bresquilla
(suffix)
→
Catalan
sabatilla
(suffix)
→
Catalan
illot
(suffix)
→
Spanish
isla
(cognate)
→
Occitan
illa
(cognate)