Arnarfellshyrnanafnorð kvenkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallArnarfellshyrnaÞf.þolfallArnarfellshyrnuÞgf.þágufallArnarfellshyrnuEf.eignarfallArnarfellshyrnu