Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
baratar
←
English
barter
(cognate)
←
Spanish
baratar
(cognate)
←
French
baratter
(cognate)
←
Old French
barater
(cognate)
←
Occitan
baratar
(cognate)
←
Old Portuguese
baratar
(inherited)
→
Galician
barato
(mention)