Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
leigo
←
Ancient Greek
λαϊκός
(mention)
←
Ancient Greek
λαός
(mention)
←
Latin
lāicus
(mention)
←
Portuguese
laico
(doublet)
←
Old Portuguese
leigo
(mention)
→
Portuguese
laico
(doublet)