Tajweed RulesPronouncing the sakinah nun or tanwin clearly, from its point of articulation, without an audible ghunnah (nasal sound), when it is followed by one of the six guttural letters: hamzah (ء), ha (ه), 'ayn (ع), ha (ح), ghayn (غ), and kha (خ).
مِنْ خَيْرٍ — يَنْأَوْنَ — مِنْ عِلْمٍSource:تحفة الأطفال

