Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sérico
←
Latin
sēricus
(borrowed)
←
Portuguese
sirgo
(doublet)
→
Portuguese
soro
(link)
→
Portuguese
sirgo
(doublet)