Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
fundo
←
Spanish
fondo
(doublet)
←
Spanish
fundar
(link)
←
Spanish
fundir
(link)
←
Latin
fundus
(borrowed)
→
Spanish
fondo
(doublet)