Þönglabakkahálsnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallÞönglabakkahálsÞf.þolfallÞönglabakkahálsÞgf.þágufallÞönglabakkahálsiEf.eignarfallÞönglabakkaháls