Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
bonet
←
Spanish
bonete
(cognate)
←
French
bonnet
(cognate)
←
Proto-West Germanic
*ob-
(mention)
←
Proto-West Germanic
*bunni
(mention)
←
Latin
obbonis
(mention)
→
Catalan
boneter
(affix)