Play word 叢雲剣 叢雲剣 むらくものつるぎ Murakumo no Tsurugi (alternate name for Ama-no-Murakumo no Tsurugi; the sword of the Imperial regalia)
Play word 天叢雲剣 天叢雲剣 あまのむらくものつるぎ Ama-no-Murakumo no Tsurugi (heavenly gathering of clouds sword; one of the three Imperial regalia)