Þorsteinshornnafnorð hvorugkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallÞorsteinshornÞf.þolfallÞorsteinshornÞgf.þágufallÞorsteinshorniEf.eignarfallÞorsteinshorns