Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
furar
←
Latin
forō
(inherited)
←
Old Portuguese
furar
(inherited)
→
Galician
fura
(back-formation)
→
Galician
furancho
(mention)
→
Galician
furabolos
(compound)
→
Galician
furaareas
(compound)