Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
mantemento
←
Spanish
mantenimiento
(cognate)
←
Galician
manter
(suffix)
←
Galician
mento
(suffix)
←
Portuguese
mantimento
(cognate)
←
Old Portuguese
(mention)