The word(s) "wajadoo" appears 4 time(s) in 4 verse(s) in Quran.

(1) Wama arsalna min rasoolin illa liyutaAAa biithni Allahi walaw annahum ith thalamoo anfusahum jaooka faistaghfaroo Allaha waistaghfara lahumu alrrasoolu lawajadoo Allaha tawwaban raheeman

(سورة النساء, An-Nisaa, Chapter #4, Verse #64)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) Afala yatadabbaroona alqurana walaw kana min AAindi ghayri Allahi lawajadoo feehi ikhtilafan katheeran

(سورة النساء, An-Nisaa, Chapter #4, Verse #82)
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(3) Walamma fatahoo mataAAahum wajadoo bidaAAatahum ruddat ilayhim qaloo ya abana ma nabghee hathihi bidaAAatuna ruddat ilayna wanameeru ahlana wanahfathu akhana wanazdadu kayla baAAeerin thalika kaylun yaseerun

(سورة يوسف, Yusuf, Chapter #12, Verse #65)
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(4) WawudiAAa alkitabu fatara almujrimeena mushfiqeena mimma feehi wayaqooloona ya waylatana ma lihatha alkitabi la yughadiru sagheeratan wala kabeeratan illa ahsaha wawajadoo ma AAamiloo hadiran wala yathlimu rabbuka ahadan

(سورة الكهف, Al-Kahf, Chapter #18, Verse #49)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)