Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
aberto
←
Latin
apertus
(inherited)
←
Old Portuguese
aberto
(inherited)
→
Portuguese
abertura
(suffix)
→
Portuguese
boquiaberto
(compound)