Surah Qaf 50:12

كَذَّبَتْ قَبْلَهُمْ قَوْمُ نُوحٍ وَأَصْحَـٰبُ ٱلرَّسِّ وَثَمُودُ

The people of Noah denied before them, and the companions of the well and Thamūd

Translation: Saheeh International

Tafsir

The people of Noah denied before them kadhdhabat has a feminine person inflection because of the feminine gender of the import of qawm ‘people’ and so did the dwellers at al-Rass — this was the name of a well around which they dwelt together with their livestock; …

Excerpt from Tafsir al-Jalalayn, commentary on 50:12, via Quran.com. The reader has the full commentary and 9 more tafsirs.