ن ق رn-q-r
(ن) نَقَرَ يَنْقُرُ نَقْرًاnaqara yanquru naqran: (1) to peck and make a hole or hollow in something (2) to blow a pipe or trumpet. ﴿فَاِذَا نُقِرَ فِي النَّاقُوْرِ﴾ (Al-Muddaththir 74:8)
نَاقُوْرٌnāqūr (noun of instrument, ism ālah, on the pattern of فَاعُوْلٌfāʿūl): trumpet, horn. Only once in the Quran (in the verse cited above).
نَقِيْرٌnaqīr (on the pattern of فَعِيْلٌfaʿīl): the tiny pit on the back of a date stone; an Arabic idiom for something utterly insignificant. ﴿وَلَا يُظْلَمُوْنَ نَقِيْرًا﴾ (An-Nisāʾ 4:124); ﴿فَاِذًا لَّا يُؤْتُوْنَ النَّاسَ نَقِيْرًا﴾ (An-Nisāʾ 4:53)