The Letter Qaf - 50:12
The people of Noah, the people of Res and Thamud had disbelieved before them.
People of Res: (The people of Res are mentioned in only two verses)
The Criterion/25:38
And the people of Ad, Thamud, Res and many generations between them.
The Letter Qaf/50:12
The people of Noah, the people of Res and Thamud had disbelieved before them.