Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Asturian
ferrar
←
Asturian
fierru
(suffix)
←
Asturian
ar
(suffix)
←
Spanish
herrar
(cognate)
←
Latin
ferrum
(inherited)