Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cogitar
←
Latin
cōgitāre
(borrowed)
←
Latin
cōgitō
(mention)
←
Portuguese
cuidar
(doublet)
→
Portuguese
cuidar
(doublet)
→
Portuguese
cogitação
(suffix)