15 verses have
say
in Edition Clear Qur'an by Talal Itani / Al-Qasas (The Stories)

28:28He said, “Let this be an agreement between you and me. Whichever of the two terms I fulfill, there shall be no reprisal against me; and God is witness over what we say.”

28:47Otherwise, if a calamity befell them as a result of what their hands have perpetrated, they would say, “Our Lord, if only You had sent us a messenger, we would have followed Your revelations, and been among the believers.”

28:49Say, “Then bring a scripture from God, more conductive to guidance than both, and I will follow it, if you are truthful.”

28:53When it is recited to them, they say, “We have believed in it; it is the truth from our Lord; we were Muslims prior to it.”

28:55And when they hear vain talk, they avoid it, and say, “We have our deeds, and you have your deeds; peace be upon you; we do not desire the ignorant.”

28:57And they say, “If we follow the guidance with you, we will be snatched from our land.” Did We not establish for them a Safe Sanctuary, to which are brought all kinds of fruits, as provision from Ourselves? But most of them do not know.

28:62On the Day when He will call to them, and say, “Where are My associates whom you used to claim?”

28:63Those against whom the sentence is justified will say, “Our Lord, these are they whom we misled. We misled them, as we were misled. We beg Your forgiveness; it was not us they used to worship.”

28:65On the Day when He will call to them, and say, “What did you answer the Messengers?”

28:71Say, “Have you considered? Had God made the night perpetual over you until the Day of Resurrection, which god other than God will bring you illumination? Do you not hear?”

28:72Say, “Have you considered? Had God made the day perpetual over you until the Day of Resurrection, which god other than God will bring you night to rest in? Do you not see?”

28:74On the Day when He will call to them, and say, “Where are My associates whom you used to claim?”

28:75And We will draw out from every community a witness, and say, “Produce your evidence.” Then they will realize that the truth is God’s, and those they used to invent have forsaken them.

28:82Those who had wished they were in his position the day before were saying, “Indeed, it is God who spreads the bounty to whomever He wills of His servants, and restricts it. Had God not been gracious to us, He would have caved in on us. No wonder the ungrateful never prosper.”

28:85He Who ordained the Quran for you will return you Home. Say, “My Lord knows best who comes with guidance, and who is in manifest error.”