Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sibilar
←
Latin
sibilāre
(borrowed)
←
Latin
sībilō
(mention)
←
Portuguese
silvar
(doublet)
→
Esperanto
sibli
(cognate)
→
Portuguese
sibilo
(back-formation)
→
Portuguese
silvar
(doublet)