Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
poi
←
Latin
paucus
(inherited)
→
English
poy
(derived)
→
French
peu
(inherited)
→
Middle French
pou
(inherited)
→
Middle French
poy
(derived)
→
Old French
pois
(mention)