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

(1) In tastaftihoo faqad jaakumu alfathu wain tantahoo fahuwa khayrun lakum wain taAAoodoo naAAud walan tughniya AAankum fiatukum shayan walaw kathurat waanna Allaha maAAa almumineena

(سورة الأنفال, Al-Anfaal, Chapter #8, Verse #19)
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(2) Ya sahibayi alssijni amma ahadukuma fayasqee rabbahu khamran waamma alakharu fayuslabu fatakulu alttayru min rasihi qudiya alamru allathee feehi tastaftiyani

(سورة يوسف, Yusuf, Chapter #12, Verse #41)
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(3) Sayaqooloona thalathatun rabiAAuhum kalbuhum wayaqooloona khamsatun sadisuhum kalbuhum rajman bialghaybi wayaqooloona sabAAatun wathaminuhum kalbuhum qul rabbee aAAlamu biAAiddatihim ma yaAAlamuhum illa qaleelun fala tumari feehim illa miraan thahiran wala tastafti feehim minhum ahadan

(سورة الكهف, Al-Kahf, Chapter #18, Verse #22)
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