(ن) نَارَ يَنُوْرُ نُوْرًا وَنَوْرًاnāra yanūru nūran wa-nawran (original form: نَوَرَ يَنْوُرُnawara yanwuru): to be bright, to shine. (This verb is not used in the Quran.)
نُوْرٌnūr pl. اَنْوَارٌanwār (noun, ism dhāt): light, that by which things become visible; hence in the Quran guidance and revelation are called light. ﴿اَللّٰهُ نُوْرُ السَّمٰوٰتِ وَالْاَرْضِ﴾ (An-Nūr 24:35); ﴿وَاَشْرَقَتِ الْاَرْضُ بِنُوْرِ رَبِّهَا﴾ (Az-Zumar 39:69)
نَارٌnār pl. نِيْرَانٌnīrān (noun, ism dhāt): fire (from the same root, since it is a source of light). ﴿نَارُ اللّٰهِ الْمُوْقَدَةُ﴾ (Al-Humazah 104:6); ﴿قُلْنَا يٰنَارُ كُوْنِيْ بَرْدًا وَّسَلٰمًا عَلٰٓى اِبْرٰهِيْمَ﴾ (Al-Anbiyāʾ 21:69)
نَائِرَةٌnāʾirah: the fire of discord; مَنَارٌ وَمَنَارَةٌmanār wa-manārah (noun of place or instrument, ẓarf / ism ālah): a place of light, a lighthouse, minaret. (This word is not used in the Quran.)
Form IV (ifʿāl) اَنَارَ يُنِيْرُ اِنَارَةًanāra yunīru ināratan: to illuminate, to be illuminated; مُنِيْرٌmunīr (active participle, ism fāʿil): illuminating, luminous. ﴿وَجَعَلَ فِيْهَا سِرٰجًا وَّقَمَرًا مُّنِيْرًا﴾ (Al-Furqān 25:61); ﴿وَدَاعِيًا اِلَي اللّٰهِ بِاِذْنِهِۦ وَسِرَاجًا مُّنِيْرًا﴾ (Al-Aḥzāb 33:46)
Form II (tafʿīl) نَوَّرَ يُنَوِّرُ تَنْوِيْرًاnawwara yunawwiru tanwīran: to illuminate brightly. (This verb is not used in the Quran.)