Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
berro
←
Breton
beler
(cognate)
←
Gaulish
berula
(cognate)
←
Proto-Celtic
*beruro-
(derived)
←
English
shout
(link)
←
English
roar
(link)
←
Spanish
berro
(cognate)
←
Galician
berrar
(back-formation)
←
Galician
grito
(link)
←
Galician
bramido
(link)
←
Galician
bruído
(link)
←
Galician
frémito
(link)
←
Galician
Berro Seco
(link)
←
Galician
agrón
(link)
←
Galician
brizo
(link)
←
Galician
berro femia
(link)
→
Galician
brizo
(mention)
→
Galician
bídalo
(mention)