Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
elo
←
Proto-Indo-European
*h₁eh₂no-
(derived)
←
Latin
ānellus
(inherited)
←
Latin
anus
(mention)
←
Portuguese
anel
(doublet)
←
Old Portuguese
(inherited)
→
Kabuverdianu
élu
(derived)
→
Portuguese
anel
(doublet)
→
Portuguese
pesadelo
(suffix)