(ف) وَقَعَ يَقَعُ وُقُوْعًا وَوَقْعَةًwaqaʿa yaqaʿu wuqūʿan wa-waqʿatan (original form: وَقَعَ يَوْقَعُwaqaʿa yawqaʿu): (1) to fall down (2) to befall, to come to pass (3) to be established, to become binding; قَعْqaʿ (imperative, amr): fall down! ﴿اِذَا وَقَعَتِ الْوَاقِعَةُ﴾ (Al-Wāqiʿah 56:1); ﴿فَقَعُوْا لَهُۥ سٰجِدِيْنَ﴾ (Al-Ḥijr 15:29); ﴿وَوَقَعَ الْقَوْلُ عَلَيْهِمْ بِمَا ظَلَمُوْا﴾ (An-Naml 27:85)
وَاقِعٌwāqiʿ, feminine وَاقِعَةٌwāqiʿah (active participle, ism fāʿil): that which comes to pass; "اَلْوَاقِعَةُal-wāqiʿat" is a name of the Resurrection, and the surah is named after it. ﴿سَاَلَ سَآئِلٌۢ بِعَذَابٍ وَّاقِعٍ﴾ (Al-Maʿārij 70:1)
مَوْقِعٌmawqiʿ pl. مَوَاقِعُmawāqiʿu (noun of time or place (ẓarf) on the pattern مَفْعِلٌmafʿil): place of falling. Only once in the Quran: ﴿فَلَآ اُقْسِمُ بِمَوٰقِعِ النُّجُوْمِ﴾ (Al-Wāqiʿah 56:75)
Form III (mufāʿalah) وَاقَعَ يُوَاقِعُ مُوَاقَعَةًwāqaʿa yuwāqiʿu muwāqaʿatan: to fall into something; مُوَاقِعٌmuwāqiʿ (active participle, ism fāʿil): one who falls into. Only once in the Quran: ﴿فَظَنُّوْٓا اَنَّهُمْ مُّوَاقِعُوْهَا﴾ (Al-Kahf 18:53)
Form IV (ifʿāl) اَوْقَعَ يُوْقِعُ اِيْقَاعًاawqaʿa yūqiʿu īqāʿan: to cause to fall, to cast (someone into something). Only once in the Quran: ﴿اِنَّمَا يُرِيْدُ الشَّيْطٰنُ اَنْ يُّوْقِعَ بَيْنَكُمُ الْعَدَاوَةَ وَالْبَغْضَآءَ﴾ (Al-Māʾidah 5:91)
Form V (tafaʿʿul) تَوَقَّعَ يَتَوَقَّعُ تَوَقُّعًاtawaqqaʿa yatawaqqaʿu tawaqquʿan: to expect something to happen and await it (this verb is not used in the Quran).