Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
sulfur
←
Catalan
sofre
(doublet)
←
Latin
sulfur
(borrowed)
→
Catalan
disulfur
(affix)
→
Catalan
sofre
(doublet)