Mundafellshraunnafnorð hvorugkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallMundafellshraunÞf.þolfallMundafellshraunÞgf.þágufallMundafellshrauniEf.eignarfallMundafellshrauns