Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
cofferer
←
English
coffer
(suffix)
←
English
er
(suffix)
←
Middle English
cofrer
(inherited)
←
Old French
coffrier
(derived)