• حِطَّة

Appears 2 times in the Quran.

1. 2:58 وَإِذْ قُلْنَا ٱدْخُلُوا۟ هَٰذِهِ ٱلْقَرْيَةَ فَكُلُوا۟ مِنْهَا حَيْثُ شِئْتُمْ رَغَدًا وَٱدْخُلُوا۟ ٱلْبَابَ سُجَّدًا وَقُولُوا۟ حِطَّةٌ نَّغْفِرْ لَكُمْ خَطَٰيَٰكُمْ وَسَنَزِيدُ ٱلْمُحْسِنِينَ

   And when We said: Enter this city, then eat from it a plenteous (food) wherever you wish, and enter the gate making obeisance, and say, forgiveness. We will forgive you your wrongs and give more to those who do good (to others).
   

2. 7:161 وَإِذْ قِيلَ لَهُمُ ٱسْكُنُوا۟ هَٰذِهِ ٱلْقَرْيَةَ وَكُلُوا۟ مِنْهَا حَيْثُ شِئْتُمْ وَقُولُوا۟ حِطَّةٌ وَٱدْخُلُوا۟ ٱلْبَابَ سُجَّدًا نَّغْفِرْ لَكُمْ خَطِيٓـَٰٔتِكُمْ سَنَزِيدُ ٱلْمُحْسِنِينَ

   And when it was said to them: Reside in this town and eat from it wherever you wish, and say, Put down from us our heavy burdens: and enter the gate making obeisance, We will forgive you your wrongs: We will give more to those who do good (to others).