Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
pugó
←
Catalan
-o
(mention)
←
Spanish
pulgón
(cognate)
←
Latin
pūlex
(inherited)
←
Portuguese
pulgão
(cognate)
←
Old Catalan
pulgó
(inherited)
→
Spanish
pulgón
(cognate)
→
Portuguese
pulgão
(cognate)