Þorbjarnarfellnafnorð hvorugkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallÞorbjarnarfellÞf.þolfallÞorbjarnarfellÞgf.þágufallÞorbjarnarfelliEf.eignarfallÞorbjarnarfells