Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
fechar
←
Latin
fistula
(mention)
←
Old Portuguese
fechar
(inherited)
→
Galician
fechadura
(suffix)
→
Galician
fecho
(back-formation)