For the feminine adjective weight فَعْلَاءُ, the following table displays the dual and broken plural across the three case states.
FormNominativeAccusativeGenitivesingularفَعْلَاءُفَعْلَاءَفَعْلَاءَdualفَعْلَاوَانِفَعْلَاوَيْنِفَعْلَاوَيْنِbroken pluralفُعْلٌفُعْلًافُعْلٍ
The table is useful because both number and case change at the same time. The core word-building point is فَعْلَاءُ → فَعْلَاوَانِ → فُعْلٌ.
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Dual and Plural of Mamdud and Maqsur Nouns
For the feminine adjective weight فَعْلَاءُ, the following table displays the dual and broken plural across the three case states.
FormNominativeAccusativeGenitivesingularفَعْلَاءُفَعْلَاءَفَعْلَاءَdualفَعْلَاوَانِفَعْلَاوَيْنِفَعْلَاوَيْنِbroken pluralفُعْلٌفُعْلًافُعْلٍ
The table is useful because both number and case change at the same time. The core word-building point is فَعْلَاءُ → فَعْلَاوَانِ → فُعْلٌ.