Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
Galícia
←
Portuguese
Galiza
(doublet)
←
Portuguese
Galécia
(link)
←
Portuguese
galego
(link)
←
Portuguese
Gália
(link)
←
Portuguese
galiciano
(link)
→
Portuguese
Galiza
(doublet)