Heinabergsfellnafnorð hvorugkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallHeinabergsfellÞf.þolfallHeinabergsfellÞgf.þágufallHeinabergsfelliEf.eignarfallHeinabergsfells