Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Asturian
verdaderu
←
Asturian
verdá
(suffix)
←
Asturian
eru
(suffix)
←
Spanish
verdadero
(cognate)
←
Galician
verdadeiro
(cognate)