Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Picard
acater
←
Old French
acater
(inherited)
←
Old French
achater
(mention)
←
Latin
ad
(inherited)
←
Latin
capto
(mention)