Antuma

More information in the article Pronoun

2nd person dual personal pronoun أنتما - antuma - (you) according to corpus.quran.com, occurs in the Quran once

(28:35) He said, "We will strengthen your aid with your brother, and We will provide you both with authority. Thus, they will not be able to touch either one of you. By Our signs, you two (Arab. أنتما , antuma) and those who follow you, will be the victors."