Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
galho
←
Latin
*galleus
(mention)
←
Latin
galla
(mention)
→
Galician
gallo
(cognate)
→
Portuguese
galhada
(suffix)