خ و نkh-w-n
(ن) خَانَ يَخُوْنُ خَوْنًا وَخِيَانَةًkhāna yakhūnu khawnan wa-khiyānatan: to betray, to act treacherously. ﴿لَا تَخُوْنُوا اللّٰهَ وَالرَّسُوْلَ﴾ (Al-Anfāl 8:27)
خَآئِنٌkhāʾin pl. خَآئِنُوْنَkhāʾinūna (active participle, ism fāʿil): traitor, treacherous. ﴿اِنَّ اللّٰهَ لَا يُحِبُّ الْخَآئِنِيْنَ﴾ (Al-Anfāl 8:58)
خَآئِنَةٌkhāʾinah: treachery (in the sense of the verbal noun, maṣdar). ﴿يَعْلَمُ خَآئِنَةَ الْاَعْيُنِ وَمَا تُخْفِي الصُّدُوْرُ﴾ (Ghāfir 40:19)
Form VIII (iftiʿāl) اِخْتَانَ يَخْتَانُ اِخْتِيَانًاikhtāna yakhtānu ikhtiyānan: to betray oneself, to act treacherously in secret. ﴿عَلِمَ اللّٰهُ اَنَّكُمْ كُنْتُمْ تَخْتَانُوْنَ اَنْفُسَكُمْ﴾ (Al-Baqarah 2:187)