Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
herètic
←
Catalan
heretge
(doublet)
←
Ancient Greek
αἱρετικός
(derived)
→
Catalan
heretge
(doublet)
→
Catalan
herèticament
(suffix)