Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
raiar
←
Spanish
rayar
(cognate)
←
Galician
raio
(suffix)
←
Galician
ar
(suffix)
←
Galician
radiar
(doublet)
←
Galician
radio
(link)
←
Galician
raio
(link)
←
Galician
raia
(suffix)
←
Galician
ar
(suffix)
←
Galician
raia
(link)
←
Italian
raggiare
(cognate)
←
Latin
radio
(inherited)
←
Old Portuguese
rayar
(inherited)
→
Galician
raia
(mention)