austurborg1
nafnorð kvenkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.austurborgausturborginnf.austurborgirausturborgirnar
þf.austurborgausturborginaþf.austurborgirausturborgirnar
þgf.austurborgausturborginniþgf.austurborgumausturborgunum
ef.austurborgarausturborgarinnaref.austurborgaausturborganna