(ض، ک) يَسَرَ يَيْسِرُ وَيَسُرَ يَيْسُرُ يُسْرًاyasara yaysiru wa-yasura yaysuru yusran: to be gentle and easy (intransitive); to make gentle and easy (transitive); to have ample provision. (this verb is not used in the Quran).
يُسْرٌyusr (noun, ism dhāt): ease — the opposite of عُسْرʿusr. ﴿فَاِنَّ مَعَ الْعُسْرِ يُسْرًا﴾ (Ash-Sharḥ 94:5); ﴿يُرِيْدُ اللّٰهُ بِكُمُ الْيُسْرَ﴾ (Al-Baqarah 2:185)
يُسْرٰىyusrā (on the pattern فُعْلٰىfuʿlā, feminine): gentleness, facility, the easy way. ﴿فَسَنُيَسِّرُهُۥ لِلْيُسْرٰى﴾ (Al-Layl 92:7)
يَسِيْرٌyasīr (adjective on the pattern فَعِيْلٌfaʿīl): easy; little. ﴿اِنَّ ذٰلِكَ عَلَي اللّٰهِ يَسِيْرٌ﴾ (Al-Ḥajj 22:70)
مَيْسُوْرٌmaysūr (passive participle, ism mafʿūl): made gentle and easy. Only once in the Quran: ﴿فَقُلْ لَّهُمْ قَوْلًا مَّيْسُوْرًا﴾ (Al-Isrāʾ 17:28)
مَيْسَرَةٌmaysarah (noun, ism dhāt): affluence, ampleness of provision. Only once in the Quran: ﴿وَاِنْ كَانَ ذُوْ عُسْرَةٍ فَنَظِرَةٌ اِلٰى مَيْسَرَةٍ﴾ (Al-Baqarah 2:280)
مَيْسِرٌmaysir (noun, ism dhāt): gambling, games of chance (since in them wealth comes to hand easily without labour). ﴿اِنَّمَا الْخَمْرُ وَالْمَيْسِرُ وَالْاَنْصَابُ وَالْاَزْلَامُ رِجْسٌ﴾ (Al-Māʾidah 5:90)
Form II (tafʿīl) يَسَّرَ يُيَسِّرُ تَيْسِيْرًاyassara yuyassiru taysīran: to make something gradually easy for someone; يَسِّرْyassir (imperative, amr): make easy! ﴿وَلَقَدْ يَسَّرْنَا الْقُرْاٰنَ لِلذِّكْرِ﴾ (Al-Qamar 54:17); ﴿وَيَسِّرْ لِيْٓ اَمْرِيْ﴾ (Ṭā Hā 20:26)
Form V (tafaʿʿul) تَيَسَّرَ يَتَيَسَّرُ تَيَسُّرًاtayassara yatayassaru tayassuran: to be easy. ﴿فَاقْرَءُوْا مَا تَيَسَّرَ مِنَ الْقُرْاٰنِ﴾ (Al-Muzzammil 73:20)
Form X (istifʿāl) اِسْتَيْسَرَ يَسْتَيْسِرُ اِسْتِيْسَارًاistaysara yastaysiru istīsāran: to be readily available. ﴿فَمَا اسْتَيْسَرَ مِنَ الْهَدْيِ﴾ (Al-Baqarah 2:196)