Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
trevoso
←
Latin
tenebrosus
(mention)
←
Latin
tenebrae
(mention)
←
Portuguese
trevas
(affix)
←
Portuguese
-oso
(affix)
←
Portuguese
tenebroso
(doublet)
←
Old Portuguese
tẽevroso
(mention)
→
Portuguese
tenebroso
(doublet)