Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
un
←
Latin
ūnum
(inherited)
←
Latin
ūnus
(mention)
→
French
un
(inherited)
→
Middle French
un
(inherited)
→
Old French
trunçun
(suffix)
→
Old French
plunjun
(suffix)