Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
senheiro
←
Spanish
señero
(cognate)
←
Galician
senlleiro
(cognate)
←
Latin
singulāris
(inherited)
←
Portuguese
singular
(doublet)
←
Old Portuguese
senneiro
(inherited)
←
Old Portuguese
senlleiro
(mention)
→
Galician
senlleiro
(cognate)
→
Galician
señeiro
(cognate)
→
Portuguese
singular
(doublet)