Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
fieito
←
Spanish
helecho
(cognate)
←
Latin
filictum
(inherited)
←
Portuguese
feto
(cognate)
←
Old Portuguese
(inherited)
→
Spanish
helecho
(cognate)
→
Galician
fieito real
(mention)
→
Portuguese
feto
(mention)