This research aims to explain the justifications for alternating two parties of nominal isnad on a single Qur'anic word.Despite the grammarians' distinction between two parties of nominal isnad, it is difficult to definitively rule on a single word that it is musnad to it only or musnad only in the Qur'anic sentence; As musnad to it is the musnad, just as musnad is musnad to it at the same time in...