Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
illarga
←
Latin
īlia
(inherited)
←
Latin
īle
(mention)
←
Portuguese
ilharga
(cognate)
→
Galician
illar
(link)
→
Galician
illargada
(suffix)