Þröngvuhornnafnorð hvorugkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallÞröngvuhornÞf.þolfallÞröngvuhornÞgf.þágufallÞröngvuhorniEf.eignarfallÞröngvuhorns