3 verses have
mother
in Edition Clear Qur'an by Talal Itani / Taa-Haa (Taa-Haa)

20:38When We inspired your mother with the inspiration.

20:40When your sister walked along, and said, ‘Shall I tell you about someone who will take care of him?' So We returned you to your mother, that she may be comforted, and not sorrow. And you killed a person, but We saved you from stress; and We tested you thoroughly. And you stayed years among the people of Median. Then you came back, as ordained, O Moses.

20:94He said, “Son of my mother, do not seize me by my beard or my head. I feared you would say, `You have caused division among the Children of Israel, and did not regard my word.'“