Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
negociar
←
Latin
negōtiārī
(borrowed)
←
Latin
negōtior
(mention)
→
Catalan
negociant
(suffix)
→
Catalan
negociable
(suffix)