1؎ : By "Mu'awwidhat" is meant the two surahs «قل أعوذ برب الفلق» and «قل أعوذ برب الناس», because the plural form can also apply to two. Another opinion is that Surah Ikhlas and «قل يا أيها الكافرون» are also included in this, either they are called "Mu'awwidhat" by predominance, or because the meaning of seeking refuge (ta'awwudh) is also found in these two surahs. This is because both surahs comprise the concepts of sincerity and exclusive devotion to Allah (ikhlas wa lillahiyyah), disavowal from shirk (polytheism), and turning for refuge to Allah.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
1523. Commentary: In Jami' al-Tirmidhi, this narration mentions "al-Mu'awwidhatayn" in the dual form instead of "al-Mu'awwidhat" in the plural. By these, what is meant is [قُلْأَعُوذُبِرَبِّالْفَلَقِ] and [قُلْأَعُوذُبِرَبِّالنَّاسِ]. And in this narration, they have been mentioned with the plural form, and it is possible that along with them, [قُلْيَاأَيُّهَاالْكَافِرُونَ) اور [قُلْهُوَاللَّـهُأَحَدٌ] is also intended. Because all these surahs are comprehensive of all forms of seeking refuge (ta'awwudh). In Surah al-Kafirun, there is a declaration of disavowal from shirk (polytheism), in Surah al-Ikhlas, there is an expression and affirmation of tawhid (the oneness of Allah), and in the Mu'awwidhatayn, there is mention of seeking Allah's protection from every evil.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 1523
´It was narrated that 'Uqbah bin 'Amr said:` "The Messenger of Allah (ﷺ) commanded me to recite Al-Mu'awwidhat following every prayer."
Hafiz Muhammad Ameen
1337. Commentary: In some narrations, there is mention of the "Mu'awwidhatayn," that is, the last two chapters of the Noble Qur'an, «قُلْأعُوذُبِرَبِّالْفَلَقِ» and «قُلْأعُوذُبِرَبِّالنّاسِ». The meaning of Mu'awwidhat is that these words protect their reciter from every evil, or that through them, Allah's protection is sought. These chapters were also revealed for this very reason: that through them, one may seek protection from the envy, sorcery, evil of people, and from devils.
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 1337