According to multiple hadiths, more than 200 verses were lost from Surah 33 of the Quran. How do Muslim scholars explain away hundreds of missing verses while maintaining the Quran’s perfect preservation? The doctrine of abrogation, of course! David Wood discusses the issue.
For the IslamQA article quoted in this video (“Soorat al-Ahzaab was as long as Soorat al-Baqarah, then most of it was abrogated”), click here: https://islamqa.info/en/answers/197942/soorat-al-ahzaab-was-as-long-as-soorat-al-baqarah-then-most-of-it-was-abrogated