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