Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
porão
←
Latin
plānus
(borrowed)
←
Portuguese
plano
(doublet)
←
Portuguese
chão
(mention)
←
Old Portuguese
prão
(inherited)
→
Latin
planus
(link)
→
Portuguese
chão
(mention)