Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
mensageiro
←
Spanish
mensajero
(cognate)
←
Old French
message
(derived)
←
Galician
mensaxeiro
(cognate)
←
Proto-Indo-European
*meyth₂-
(derived)
←
Proto-Indo-European
*mith₂-
(mention)
←
Latin
missum
(derived)
←
Latin
mittō
(mention)
←
Portuguese
mensagem
(affix)
←
Portuguese
-eiro
(affix)
→
Spanish
mensajero
(cognate)
→
Galician
mensaxeiro
(cognate)