Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
acuoso
←
Spanish
aguoso
(doublet)
←
Latin
aquōsus
(borrowed)
→
Spanish
agua
(link)
→
Spanish
aguoso
(doublet)