Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
quieto
←
Latin
quiētus
(borrowed)
←
Portuguese
quedo
(doublet)
→
Kabuverdianu
ketu
(derived)
→
Papiamentu
ketu
(derived)
→
Portuguese
quedo
(doublet)