Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ínsua
←
Galician
insua
(cognate)
←
Latin
īnsula
(inherited)
←
Portuguese
ínsula
(doublet)
←
Portuguese
ilha
(mention)
←
Old Portuguese
inssoa
(inherited)
→
Catalan
illa
(cognate)
→
Spanish
isla
(cognate)
→
Galician
insua
(cognate)
→
Occitan
illa
(cognate)
→
Portuguese
ilha
(doublet)