Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
grau
←
Proto-Indo-European
*gʰredʰ-
(derived)
←
Latin
gradus
(inherited)
←
Old Portuguese
grao
(inherited)
←
Old Portuguese
graao
(mention)