Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
egoa
←
Latin
equa
(inherited)
←
Old Portuguese
égua
(inherited)
←
Old Portuguese
egua
(mention)
←
Old Portuguese
egoa
(mention)