Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
pronto
←
Latin
prōmptus
(derived)
→
Portuguese
prontamente
(affix)
→
Portuguese
aprontar
(affix)
→
Portuguese
prontidão
(affix)