Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
seixante
→
French
soixante
(mention)
→
Middle French
soisante
(mention)
→
Norman
sessànte
(inherited)
→
Walloon
swessante
(inherited)