Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
compeer
←
English
compere
(doublet)
←
English
compadre
(mention)
←
Middle English
comper
(inherited)
←
Middle French
comper
(derived)
←
Latin
compater
(derived)
→
English
compere
(doublet)