Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
complicar
←
Latin
complicāre
(borrowed)
←
Latin
complicō
(mention)
←
Portuguese
conchegar
(doublet)
→
Portuguese
aconchegar
(doublet)
→
Portuguese
descomplicar
(prefix)