Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
mercader
←
Catalan
mercader
(borrowed)
←
Spanish
mercadero
(mention)
→
Spanish
mercadería
(suffix)
→
Spanish
mercaderil
(suffix)