Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
illa
←
Galician
insua
(mention)
←
Latin
insula
(derived)
←
Portuguese
ilha
(borrowed)
←
Old Catalan
illa
(derived)
←
Old Portuguese
inssoa
(cognate)
→
Galician
illar
(mention)