ostbakki
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.ostbakkiostbakkinnnf.ostbakkarostbakkarnir
þf.ostbakkaostbakkannþf.ostbakkaostbakkana
þgf.ostbakkaostbakkanumþgf.ostbökkumostbökkunum
ef.ostbakkaostbakkansef.ostbakkaostbakkanna