Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ângulo
←
Proto-Indo-European
*h₂engulos
(derived)
←
Latin
angulus
(borrowed)
→
Portuguese
angular
(affix)
→
Portuguese
Ângulo
(mention)