Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
irce
←
Proto-Celtic
*esoxs
(derived)
←
Spanish
esguín
(cognate)
←
Basque
izokin
(cognate)
←
Portuguese
irze
(cognate)