Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
rebuldar
←
Galician
reburdiar
(mention)
←
Latin
*rebullitare
(inherited)
←
Latin
bulliō
(mention)
→
Galician
rebuldo
(back-formation)