Declension table of ?kāpuruṣatva

Neuter	Singular	Dual	Plural
Nominative	kāpuruṣatvam	kāpuruṣatve	kāpuruṣatvāni
Vocative	kāpuruṣatva	kāpuruṣatve	kāpuruṣatvāni
Accusative	kāpuruṣatvam	kāpuruṣatve	kāpuruṣatvāni
Instrumental	kāpuruṣatvena	kāpuruṣatvābhyām	kāpuruṣatvaiḥ
Dative	kāpuruṣatvāya	kāpuruṣatvābhyām	kāpuruṣatvebhyaḥ
Ablative	kāpuruṣatvāt	kāpuruṣatvābhyām	kāpuruṣatvebhyaḥ
Genitive	kāpuruṣatvasya	kāpuruṣatvayoḥ	kāpuruṣatvānām
Locative	kāpuruṣatve	kāpuruṣatvayoḥ	kāpuruṣatveṣu

Compound kāpuruṣatva -

Adverb -kāpuruṣatvam -kāpuruṣatvāt