ع ص یʿ-ṣ-y
(ض) عَصٰى يَعْصِيْ عِصْيَانًا وَمَعْصِيَةًʿaṣā yaʿṣī ʿiṣyānan wa-maʿṣiyatan: to leave obedience, to disobey. ﴿وَعَصٰٓى اٰدَمُ رَبَّهُۥ فَغَوٰى﴾ (Ṭā Hā 20:121); ﴿وَمَنْ يَّعْصِ اللّٰهَ وَرَسُوْلَهُۥ﴾ (An-Nisāʾ 4:14); ﴿لَا يَعْصُوْنَ اللّٰهَ مَآ اَمَرَهُمْ﴾ (At-Taḥrīm 66:6)
عِصْيَانٌʿiṣyān (also a noun, ism dhāt): disobedience. ﴿وَكَرَّهَ اِلَيْكُمُ الْكُفْرَ وَالْفُسُوْقَ وَالْعِصْيَانَ﴾ (Al-Ḥujurāt 49:7)