Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
clavar
←
Catalan
clau
(suffix)
←
Catalan
ar
(suffix)
←
Spanish
clavar
(cognate)
←
French
clouer
(cognate)
←
Italian
chiavare
(cognate)
←
Latin
clāvō
(mention)
←
Latin
clāvus
(inherited)
←
Occitan
clavar
(cognate)
←
Old Occitan
(inherited)
←
Portuguese
cravar
(cognate)
→
Catalan
clau
(link)
→
French
clouer
(cognate)