(س) وَسِعَ يَسَعُ سَعَةًwasiʿa yasaʿu saʿatan (original form: وَسِعَ يَوْسَعُwasiʿa yawsaʿu): to be wide, spacious; (transitive) to take something within oneself, to encompass. ﴿وَسِعَ كُرْسِيُّهُ السَّمٰوٰتِ وَالْاَرْضَ﴾ (Al-Baqarah 2:255); ﴿رَبَّنَا وَسِعْتَ كُلَّ شَيْءٍ رَّحْمَةً وَّعِلْمًا﴾ (Ghāfir 40:7)
سَعَةٌsaʿah (verbal noun (maṣdar), also noun (ism dhāt)): spaciousness, abundance. ﴿لِيُنْفِقْ ذُوْ سَعَةٍ مِّنْ سَعَتِهِۦ﴾ (Aṭ-Ṭalāq 65:7)
وُسْعٌwusʿ (noun, ism dhāt): capacity, means, ability. ﴿لَا يُكَلِّفُ اللّٰهُ نَفْسًا اِلَّا وُسْعَهَا﴾ (Al-Baqarah 2:286)
وَاسِعٌwāsiʿ, feminine وَاسِعَةٌwāsiʿah (active participle (ism fāʿil), mostly as an adjective): spacious, wide. ﴿وَاللّٰهُ وَاسِعٌ عَلِيْمٌ﴾ (Al-Baqarah 2:261); ﴿وَاَرْضُ اللّٰهِ وَاسِعَةٌ﴾ (Az-Zumar 39:10)
Form II (tafʿīl) وَسَّعَ يُوَسِّعُ تَوْسِيْعًاwassaʿa yuwassiʿu tawsīʿan: to widen; to extend; to enlarge (this verb is not used in the Quran).
Form IV (ifʿāl) اَوْسَعَ يُوْسِعُ اِيْسَاعًاawsaʿa yūsiʿu īsāʿan: to be of ample means; to make something wide; مُوْسِعٌmūsiʿ (active participle, ism fāʿil): of ample means, one who gives abundance. ﴿وَالسَّمَآءَ بَنَيْنٰهَا بِاَيْدٍ وَّاِنَّا لَمُوْسِعُوْنَ﴾ (Adh-Dhāriyāt 51:47); ﴿عَلَي الْمُوْسِعِ قَدَرُهُۥ وَعَلَي الْمُقْتِرِ قَدَرُهُۥ﴾ (Al-Baqarah 2:236)