Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
semi-
←
Latin
sēmi-
(derived)
→
Portuguese
semicírculo
(affix)
→
Portuguese
semicerrar
(affix)
→
Portuguese
semiautomático
(affix)