Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
pescar
←
Latin
piscārī
(inherited)
←
Latin
piscor
(mention)
←
Old Portuguese
pescar
(inherited)
→
Galician
pesco
(back-formation)
→
Galician
pescada
(mention)