Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
pejor
←
Old French
peior
(cognate)
←
Old French
pire
(mention)
←
Latin
pejor
(derived)
←
Latin
peior
(mention)