2 verses have
truth
in Edition Clear Qur'an by Talal Itani / Yaseen (Yaseen)

36:48And they say, “When will this promise be, if you are truthful?”

36:52They will say, “Woe to us! Who resurrected us from our resting-place?” This is what the Most Gracious had promised, and the messengers have spoken the truth.”