Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
raiethon
←
Old French
reson
(mention)
←
Old French
raison
(mention)
←
Latin
ratiō
(mention)
←
Latin
ratiōnem
(mention)