(ض) نَفَرَ يَنْفِرُ نَفْرًا وَنُفُوْرًاnafara yanfiru nafran wa-nufūran: (1) to go out for some important task, such as a journey or battle (2) «نَفَرَ عَنْهُnafara ʿanhu»: to flee from something, to shy away, to feel aversion; اِنْفِرْinfir (imperative, amr): go forth! ﴿اِنْفِرُوْا خِفَافًا وَّثِقَالًا﴾ (At-Tawbah 9:41); ﴿فَلَوْلَا نَفَرَ مِنْ كُلِّ فِرْقَةٍ مِّنْهُمْ طَآئِفَةٌ﴾ (At-Tawbah 9:122)
نُفُوْرٌnufūr (verbal noun, maṣdar): utter aversion, repugnance. ﴿وَمَا يَزِيْدُهُمْ اِلَّا نُفُوْرًا﴾ (Al-Isrāʾ 17:41)
نَفَرٌnafar (collective noun, ism jamʿ): a small band that goes out for some task; then generalized to any small group. ﴿قُلْ اُوْحِيَ اِلَيَّ اَنَّهُ اسْتَمَعَ نَفَرٌ مِّنَ الْجِنِّ﴾ (Al-Jinn 72:1)
نَفِيْرٌnafīr (on the pattern of فَعِيْلٌfaʿīl): a band (that goes forth), a troop; manpower. ﴿وَجَعَلْنٰكُمْ اَكْثَرَ نَفِيْرًا﴾ (Al-Isrāʾ 17:6)
Form V (tafaʿʿul) تَنَفَّرَ يَتَنَفَّرُ تَنَفُّرًاtanaffara yatanaffaru tanaffuran: to detest (something); to keep away in aversion (this verb is not used in the Quran).
Form X (istifʿāl) اِسْتَنْفَرَ يَسْتَنْفِرُ اِسْتِنْفَارًاistanfara yastanfiru istinfāran: to take flight (in fear), to shy away; مُسْتَنْفِرٌmustanfir (active participle, ism fāʿil): one that shies away. Only once in the Quran: ﴿كَاَنَّهُمْ حُمُرٌ مُّسْتَنْفِرَةٌ﴾ (Al-Muddaththir 74:50)