Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
llamp
←
Catalan
llampar
(mention)
←
Italian
lampo
(cognate)
←
Latin
lampas
(inherited)
←
Occitan
lampar
(cognate)
←
Occitan
lamp
(cognate)
→
Catalan
llampec
(mention)
→
Catalan
parallamps
(compound)
→
Catalan
llampó
(affix)