Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
ost
←
Middle French
ost
(derived)
←
Old French
ost
(derived)
←
Old French
host
(mention)
←
Latin
hostis
(derived)
←
Picard
o
(mention)