Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
quinze
←
Latin
quīndecim
(inherited)
→
Catalan
quinzena
(mention)
→
Catalan
quinzè
(affix)