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

(1) Hatta itha jaa amruna wafara alttannooru qulna ihmil feeha min kullin zawjayni ithnayni waahlaka illa man sabaqa AAalayhi alqawlu waman amana wama amana maAAahu illa qaleelun

(سورة هود, Hud, Chapter #11, Verse #40)
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(2) Faawhayna ilayhi ani isnaAAi alfulka biaAAyunina wawahyina faitha jaa amruna wafara alttannooru faosluk feeha min kullin zawjayni ithnayni waahlaka illa man sabaqa AAalayhi alqawlu minhum wala tukhatibnee fee allatheena thalamoo innahum mughraqoona

(سورة المؤمنون, Al-Muminoon, Chapter #23, Verse #27)
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(3) Walamma an jaat rusuluna lootan seea bihim wadaqa bihim tharAAan waqaloo la takhaf wala tahzan inna munajjooka waahlaka illa imraataka kanat mina alghabireena

(سورة العنكبوت, Al-Ankaboot, Chapter #29, Verse #33)
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