Arnargilshryggurnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallArnargilshryggurÞf.þolfallArnargilshryggÞgf.þágufallArnargilshryggEf.eignarfallArnargilshryggjarArnargilshryggs