Declension table of ?niṣpraṇayatva

Neuter	Singular	Dual	Plural
Nominative	niṣpraṇayatvam	niṣpraṇayatve	niṣpraṇayatvāni
Vocative	niṣpraṇayatva	niṣpraṇayatve	niṣpraṇayatvāni
Accusative	niṣpraṇayatvam	niṣpraṇayatve	niṣpraṇayatvāni
Instrumental	niṣpraṇayatvena	niṣpraṇayatvābhyām	niṣpraṇayatvaiḥ
Dative	niṣpraṇayatvāya	niṣpraṇayatvābhyām	niṣpraṇayatvebhyaḥ
Ablative	niṣpraṇayatvāt	niṣpraṇayatvābhyām	niṣpraṇayatvebhyaḥ
Genitive	niṣpraṇayatvasya	niṣpraṇayatvayoḥ	niṣpraṇayatvānām
Locative	niṣpraṇayatve	niṣpraṇayatvayoḥ	niṣpraṇayatveṣu

Compound niṣpraṇayatva -

Adverb -niṣpraṇayatvam -niṣpraṇayatvāt