Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
barrator
←
English
barter
(mention)
←
Middle English
baratour
(inherited)
←
Old French
barateor
(derived)
←
Old French
barater
(derived)
←
Old French
bareter
(mention)
→
English
barreter
(mention)
→
English
barretter
(mention)