Near-identical verses that trip up huffaz — with the difference highlighted and a memory aid.
وَكُلُوا مِنْهَا حَيْثُ شِئْتُمْ رَغَدًا
وَكُلُوا مِنْهَا حَيْثُ شِئْتُمْ
Remember: Al-Baqarah adds raghadan ("in abundance"). The longer surah carries the longer phrase.
وَادْخُلُوا الْبَابَ سُجَّدًا وَقُولُوا حِطَّةٌ نَّغْفِرْ لَكُمْ خَطَايَاكُمْ
وَقُولُوا حِطَّةٌ وَادْخُلُوا الْبَابَ سُجَّدًا نَّغْفِرْ لَكُمْ خَطِيئَاتِكُمْ
Remember: Order flips — Baqarah is "enter… then say," A'raf is "say… then enter." Also Baqarah: khatayakum; A'raf: khati'atikum.
وَاتَّقُوا يَوْمًا لَّا تَجْزِي نَفْسٌ عَن نَّفْسٍ شَيْئًا وَلَا يُقْبَلُ مِنْهَا شَفَاعَةٌ وَلَا يُؤْخَذُ مِنْهَا عَدْلٌ
وَاتَّقُوا يَوْمًا لَّا تَجْزِي نَفْسٌ عَن نَّفْسٍ شَيْئًا وَلَا يُقْبَلُ مِنْهَا عَدْلٌ وَلَا تَنفَعُهَا شَفَاعَةٌ
Remember: Same surah, two places. In 2:48 shafa'ah (intercession) comes first; in 2:123 'adl (ransom) comes first, and the verb changes to tanfa'uha.
أُولَٰئِكَ عَلَىٰ هُدًى مِّن رَّبِّهِمْ ۖ وَأُولَٰئِكَ هُمُ الْمُفْلِحُونَ
أُولَٰئِكَ عَلَىٰ هُدًى مِّن رَّبِّهِمْ ۖ وَأُولَٰئِكَ هُمُ الْمُفْلِحُونَ
Remember: Identical wording in both places — so the cue is the surrounding context, not the phrase itself.
وَإِذَا قِيلَ لَهُمْ لَا تُفْسِدُوا فِي الْأَرْضِ قَالُوا إِنَّمَا نَحْنُ مُصْلِحُونَ
وَلَا تُفْسِدُوا فِي الْأَرْضِ بَعْدَ إِصْلَاحِهَا
Remember: Baqarah quotes the hypocrites' excuse; A'raf is a direct command "after its reform." Tie each to its theme.
إِنَّ فِي ذَٰلِكَ لَآيَةً ۖ وَمَا كَانَ أَكْثَرُهُم مُّؤْمِنِينَ
إِنَّ فِي ذَٰلِكَ لَآيَةً ۖ وَمَا كَانَ أَكْثَرُهُم مُّؤْمِنِينَ
Remember: This refrain recurs eight times in Surah Ash-Shu'ara after each prophet's story — count the stories to track which occurrence you are reciting.
فَبِأَيِّ آلَاءِ رَبِّكُمَا تُكَذِّبَانِ
فَبِأَيِّ آلَاءِ رَبِّكُمَا تُكَذِّبَانِ
Remember: Word-identical 31 times in Surah Ar-Rahman. The skill is tracking the verses between the refrains, which never repeat.
وَأَقِيمُوا الصَّلَاةَ وَآتُوا الزَّكَاةَ وَارْكَعُوا مَعَ الرَّاكِعِينَ
وَأَقِيمُوا الصَّلَاةَ وَآتُوا الزَّكَاةَ ۚ وَمَا تُقَدِّمُوا لِأَنفُسِكُم مِّنْ خَيْرٍ
Remember: Same opening, different endings. 2:43 ends with "bow with those who bow"; 2:110 continues "whatever good you send forth…"
وَقُلْنَا يَا آدَمُ اسْكُنْ أَنتَ وَزَوْجُكَ الْجَنَّةَ وَكُلَا مِنْهَا رَغَدًا حَيْثُ شِئْتُمَا وَلَا تَقْرَبَا
وَيَا آدَمُ اسْكُنْ أَنتَ وَزَوْجُكَ الْجَنَّةَ فَكُلَا مِنْ حَيْثُ شِئْتُمَا وَلَا تَقْرَبَا
Remember: Baqarah opens "Wa qulna ya Adam" (We said); A'raf opens "Wa ya Adam." Baqarah adds raghadan; A'raf omits it.
وَمَنْ أَظْلَمُ مِمَّنِ افْتَرَىٰ عَلَى اللَّهِ كَذِبًا أَوْ كَذَّبَ بِآيَاتِهِ
وَمَنْ أَظْلَمُ مِمَّنِ افْتَرَىٰ عَلَى اللَّهِ كَذِبًا أَوْ قَالَ أُوحِيَ إِلَيَّ
Remember: The opener "Who is more unjust…" begins many verses. In 6:21 it pairs with "denied His signs"; in 6:93 with "said: it was revealed to me."