Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
res
←
Catalan
re
(alter)
←
Catalan
rès
(alter)
←
Catalan
(alter)
←
Catalan
obsolete
(alter)
←
Catalan
de res
(link)
←
Catalan
no-res
(link)
←
French
rien
(cognate)
←
Latin
rēs
(inherited)
→
Catalan
hom
(mention)
→
Catalan
no-res
(mention)
→
French
rien
(cognate)
→
Occitan
ren
(cognate)