Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
relo
←
Galician
relar
(back-formation)
←
Galician
relado
(link)
←
Galician
relar
(link)
←
Galician
relón
(link)
←
Galician
ra
(suffix)
←
Galician
elo
(suffix)
←
Galician
ralo
(alter)
←
Galician
renlo
(alter)
←
Galician
ra
(link)
←
Latin
rallum
(inherited)
←
Portuguese
ralo
(cognate)
←
Old Portuguese
(inherited)
←
Undetermined
(mention)
→
Galician
ralo
(alter)