Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cheiro
←
Galician
cheirar
(back-formation)
←
Old Portuguese
cheiro
(inherited)
→
Galician
cheirento
(suffix)
→
Galician
cheirume
(suffix)