Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
geado
←
Latin
gelātus
(inherited)
←
Latin
gelō
(mention)
←
Portuguese
gelado
(doublet)
←
Old Portuguese
geado
(inherited)
→
Portuguese
gelado
(doublet)