Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
aproveitar
←
Spanish
aprovechar
(cognate)
←
Galician
a
(confix)
←
Galician
proveito
(confix)
←
Galician
ar
(confix)
←
Portuguese
aproveitar
(cognate)
←
Old Portuguese
aproveytar
(inherited)