Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
assecar
←
Latin
siccus
(derived)
←
Occitan
a
(confix)
←
Occitan
sec
(confix)
←
Occitan
ar
(confix)
→
Catalan
assecar
(cognate)
→
French
assécher
(mention)