The word(s) "alththunooba" appears 2 time(s) in 2 verse(s) in Quran.

(1) Waallatheena itha faAAaloo fahishatan aw thalamoo anfusahum thakaroo Allaha faistaghfaroo lithunoobihim waman yaghfiru alththunooba illa Allahu walam yusirroo AAala ma faAAaloo wahum yaAAlamoona

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #135)
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(2) Qul ya AAibadiya allatheena asrafoo AAala anfusihim la taqnatoo min rahmati Allahi inna Allaha yaghfiru alththunooba jameeAAan innahu huwa alghafooru alrraheemu

(سورة الزمر, Az-Zumar, Chapter #39, Verse #53)
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