The word(s) "treacherous" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Pickthal translation.

(1) Lo! We reveal unto thee the Scripture with the truth, that thou mayst judge between mankind by that which Allah showeth thee. And be not thou a pleader for the treacherous;

(سورة النساء, An-Nisaa, Chapter #4, Verse #105)
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(2) And plead not on behalf of (people) who deceive themselves. Lo! Allah loveth not one who is treacherous and sinful.

(سورة النساء, An-Nisaa, Chapter #4, Verse #107)
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(3) And if thou fearest treachery from any folk, then throw back to them (their treaty) fairly. Lo! Allah loveth not the treacherous.

(سورة الأنفال, Al-Anfaal, Chapter #8, Verse #58)
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(4) Lo! Allah defendeth those who are true. Lo! Allah loveth not each treacherous ingrate.

(سورة الحج, Al-Hajj, Chapter #22, Verse #38)
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