筑紫率 (Tsukushi no kami), 筑紫帥 (Tsukushi no Sotsu), and 筑紫大宰 (Tsukushi no Omikotomochi no Tsukasa) all refer to the same governmental post written in different Japanese Kanji characters.
筑紫率、筑紫帥、筑紫大宰は同じ官職の別表記と考えられている。