Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
esquerdo
←
Catalan
esquerra
(cognate)
←
Spanish
izquierdo
(cognate)
←
Basque
ezker
(derived)
→
Galician
esquerdeiro
(suffix)