و س و سw-s-w-s
(quadriliteral, rubāʿī) وَسْوَسَ يُوَسْوِسُ وَسْوَسَةً وَوِسْوَاسًاwaswasa yuwaswisu wa-swasatan wa-wiswāsan: to put an evil thought (stealthily) into someone's heart, to whisper. ﴿فَوَسْوَسَ لَهُمَا الشَّيْطٰنُ﴾ (Al-Aʿrāf 7:20); ﴿فَوَسْوَسَ اِلَيْهِ الشَّيْطٰنُ﴾ (Ṭā Hā 20:120)
وَسْوَاسٌwaswās (verbal noun (maṣdar) with the sense of an active participle (ism fāʿil)): the whisperer; an evil thought. Only once in the Quran: ﴿مِنْ شَرِّ الْوَسْوَاسِ الْخَنَّاسِ الَّذِيْ يُوَسْوِسُ فِيْ صُدُوْرِ النَّاسِ﴾ (An-Nās 114:4–5)