(ک) حَسُنَ يَحْسُنُ حُسْنًاḥasuna yaḥsunu ḥusnan: to be beautiful, to be good. ﴿وَحَسُنَ اُولٰٓئِكَ رَفِيْقًا﴾ (An-Nisāʾ 4:69)
حُسْنٌḥusn: beauty, goodness. ﴿وَقُوْلُوْا لِلنَّاسِ حُسْنًا﴾ (Al-Baqarah 2:83)
حَسَنَةٌḥasanah: good, a good deed. ﴿رَبَّنَآ اٰتِنَا فِي الدُّنْيَا حَسَنَةً﴾ (Al-Baqarah 2:201)
اَحْسَنُaḥsanu (elative, ism tafḍīl), feminine حُسْنٰىḥusnā: better, best. ﴿لَقَدْ خَلَقْنَا الْاِنْسَانَ فِيْٓ اَحْسَنِ تَقْوِيْمٍ﴾ (At-Tīn 95:4); ﴿وَلِلّٰهِ الْاَسْمَآءُ الْحُسْنٰى﴾ (Al-Aʿrāf 7:180)
Form II (tafʿīl) حَسَّنَ يُحَسِّنُ تَحْسِيْنًاḥassana yuḥassinu taḥsīnan: to make good; to improve; to embellish (this verb is not used in the Quran).
Form IV (ifʿāl) اَحْسَنَ يُحْسِنُ اِحْسَانًاaḥsana yuḥsinu iḥsānan: to make beautiful (a deed), to do good. ﴿وَاَحْسِنُوْا اِنَّ اللّٰهَ يُحِبُّ الْمُحْسِنِيْنَ﴾ (Al-Baqarah 2:195); ﴿هَلْ جَزَآءُ الْاِحْسَانِ اِلَّا الْاِحْسَانُ﴾ (Ar-Raḥmān 55:60)