Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
chuvoso
←
Spanish
lluvioso
(cognate)
←
Galician
chuvioso
(cognate)
←
Latin
pluviōsus
(inherited)
←
Portuguese
chuva
(suffix)
←
Portuguese
oso
(suffix)
←
Portuguese
pluvioso
(doublet)
→
Catalan
plujós
(cognate)
→
Portuguese
pluvioso
(doublet)