Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
forswearer
←
English
forswear
(suffix)
←
English
er
(suffix)
←
Middle English
forswerer
(inherited)
←
Middle English
forswerere
(mention)