Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
impurity
←
English
impure
(suffix)
←
English
ity
(suffix)
←
Middle French
impurité
(derived)
←
Latin
impuritas
(mention)