Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
estraño
←
Spanish
extraño
(cognate)
←
Galician
estranxeiro
(doublet)
←
Latin
extraneus
(inherited)
←
Portuguese
estranho
(cognate)
←
Old Portuguese
estraño
(inherited)