To make the prayer easier to chant, 'Saiyo no nakatomi no harae' (essential words of the purification rituals of the Nakatomi) and 'Saijo no nakatomi no harae' (greatest words of the Purification Ritual of the Nakatomi) were created.
より唱えやすくするために、大祓詞の要点だけをまとめた「最要中臣祓」「最上中臣祓」が作られた。