Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
escrivà
←
Catalan
escriba
(doublet)
←
Latin
scrība
(derived)
←
Old Occitan
escrivan
(derived)
→
French
écrivain
(cognate)
→
Occitan
escrivan
(cognate)