Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ostentar
←
Latin
ostentāre
(borrowed)
←
Latin
ostentō
(mention)
→
Portuguese
ostentoso
(affix)
→
Portuguese
ostentação
(suffix)