Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
esperto
←
Latin
expertus
(inherited)
←
Latin
expergitus
(mention)
←
Latin
expergo
(mention)
←
Portuguese
experto
(doublet)
←
Old Portuguese
esperto
(inherited)
→
Portuguese
expert
(doublet)
→
Portuguese
experto
(doublet)
→
Portuguese
espertalhão
(affix)
→
Portuguese
espertinho
(affix)