Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
perigoso
←
Latin
perīculōsus
(derived)
←
Portuguese
perigo
(suffix)
←
Portuguese
oso
(suffix)
←
Portuguese
periculoso
(doublet)
←
Old Portuguese
perigooso
(inherited)
→
Portuguese
periculoso
(doublet)
→
Portuguese
perigosamente
(suffix)