Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
perdõar
←
Latin
per-
(derived)
←
Latin
dono
(mention)
→
Portuguese
perdoar
(mention)
→
Portuguese
perdão
(mention)