Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
biscoito
←
Spanish
bizcocho
(cognate)
←
French
biscuit
(cognate)
←
Italian
biscotto
(cognate)
←
Latin
([[panis]]) [[bis]] [[coctus]]
(inherited)
←
Portuguese
biscoito
(cognate)
←
Old Portuguese
*biscoyto
(inherited)
→
Galician
coito
(link)