Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
xoio
←
Spanish
joyo
(cognate)
←
Latin
lolium
(derived)
←
Portuguese
joio
(cognate)
→
Galician
xoeira
(suffix)