Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
vírus
←
Latin
vīrus
(borrowed)
→
Portuguese
viral
(affix)
→
Portuguese
adenovírus
(affix)
→
Portuguese
antivírus
(affix)