Surah Sad 38:12

كَذَّبَتْ قَبْلَهُمْ قَوْمُ نُوحٍ وَعَادٌ وَفِرْعَوْنُ ذُو ٱلْأَوْتَادِ

The people of Noah denied before them, and [the tribe of] ʿAad and Pharaoh, the owner of stakes,

Translation: Saheeh International

Tafsir

Before them the people of Noah denied the inflection of the verb kadhdabat ‘denied’ that is governed by qawmu ‘people’ is in the feminine person because of the implicit sense and so did those of ‘Ād and Pharaoh he of the stakes — he used to fix four stakes for the person who incurred his wrath and tie to these stakes …

Excerpt from Tafsir al-Jalalayn, commentary on 38:12, via Quran.com. The reader has the full commentary and 9 more tafsirs.