(ن) شَعَرَ يَشْعُرُ شُعُوْرًاshaʿara yashʿuru shuʿūran: to acquire knowledge as fine as a hair, to perceive subtly. ﴿وَلٰكِنْ لَّا يَشْعُرُوْنَ﴾ (Al-Baqarah 2:12)
شَعْرٌshaʿr pl. اَشْعَارٌashʿār: hair. ﴿وَمِنْ اَصْوَافِهَا وَاَوْبَارِهَا وَاَشْعَارِهَآ﴾ (An-Naḥl 16:80)
شِعْرٌshiʿr: subtle knowledge; then for metrical speech, i.e. poetry. ﴿وَمَا عَلَّمْنٰهُ الشِّعْرَ وَمَا يَنْۢبَغِيْ لَهُۥ﴾ (Yā Sīn 36:69)
شَاعِرٌshāʿir pl. شُعَرَآءُshuʿarāʾu (active participle, ism fāʿil): poet. ﴿وَالشُّعَرَآءُ يَتَّبِعُهُمُ الْغَاوُۥنَ﴾ (Ash-Shuʿarāʾ 26:224)
شَعِيْرَةٌshaʿīrah pl. شَعَآئِرُshaʿāʾiru: sign, token. ﴿اِنَّ الصَّفَا وَالْمَرْوَةَ مِنْ شَعَآئِرِ اللّٰهِ﴾ (Al-Baqarah 2:158)
Form IV (ifʿāl) اَشْعَرَ يُشْعِرُ اِشْعَارًاashʿara yushʿiru ishʿāran: to inform, to make aware. ﴿وَمَا يُشْعِرُكُمْ اَنَّهَآ اِذَا جَآءَتْ لَا يُؤْمِنُوْنَ﴾ (Al-Anʿām 6:109)