The word(s) "tadaaau" appears 3 time(s) in 3 verse(s) in Quran.

(1) Yawma tarawnaha tathhalu kullu murdiAAatin AAamma ardaAAat watadaaau kullu thati hamlin hamlaha watara alnnasa sukara wama hum bisukara walakinna AAathaba Allahi shadeedun

(سورة الحج, Al-Hajj, Chapter #22, Verse #2)
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(2) WaAllahu khalaqakum min turabin thumma min nutfatin thumma jaAAalakum azwajan wama tahmilu min ontha wala tadaaau illa biAAilmihi wama yuAAammaru min muAAammarin wala yunqasu min AAumurihi illa fee kitabin inna thalika AAala Allahi yaseerun

(سورة فاطر, Faatir, Chapter #35, Verse #11)
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(3) Ilayhi yuraddu AAilmu alssaAAati wama takhruju min thamaratin min akmamiha wama tahmilu min ontha wala tadaaau illa biAAilmihi wayawma yunadeehim ayna shurakaee qaloo athannaka ma minna min shaheedin

(سورة فصلت, Fussilat, Chapter #41, Verse #47)
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