Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
entallar
←
Galician
en
(prefix)
←
Galician
tallar
(prefix)
←
Italian
intagliare
(cognate)
←
Portuguese
entalhar
(cognate)
←
Old Portuguese
entallar
(inherited)
→
Galician
entalla
(back-formation)