Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
gruta
←
Galician
cripta
(doublet)
←
Italian
grutta
(borrowed)
←
Latin
*crupta
(mention)
←
Latin
crypta
(derived)
→
Galician
groto
(mention)