Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
feriado
←
Proto-Indo-European
*dhēs-
(derived)
←
Latin
fēria
(derived)
←
Portuguese
féria
(affix)
←
Portuguese
-ado
(affix)