Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
duquessa
←
Catalan
duquessa
(cognate)
←
Spanish
duquesa
(cognate)
←
French
duchesse
(cognate)
←
Occitan
duc
(affix)
←
Occitan
-essa
(affix)