Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
calcâneo
←
Latin
calcāneum
(borrowed)
←
Latin
calx
(mention)
←
Portuguese
calcanho
(doublet)
←
Portuguese
calcanhar
(mention)
→
Portuguese
calcanhar
(mention)