Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
existir
←
Latin
existere
(derived)
←
Latin
existō
(mention)
→
Portuguese
coexistir
(affix)
→
Portuguese
existente
(affix)
→
Portuguese
inexistir
(affix)