Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician arna
← Proto-Celtic *arona (derived)

→ Galician arnela (suffix)
→ Galician arnela (link)
→ Galician arnal (suffix)
→ Galician arneiro (affix)
→ Galician arneiro (link)
→ Galician arneste (mention)