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