Rjúpnabrekkujökullnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallRjúpnabrekkujökullÞf.þolfallRjúpnabrekkujökulÞgf.þágufallRjúpnabrekkujökliEf.eignarfallRjúpnabrekkujökuls