Declension table of ?nistattva

Neuter	Singular	Dual	Plural
Nominative	nistattvam	nistattve	nistattvāni
Vocative	nistattva	nistattve	nistattvāni
Accusative	nistattvam	nistattve	nistattvāni
Instrumental	nistattvena	nistattvābhyām	nistattvaiḥ
Dative	nistattvāya	nistattvābhyām	nistattvebhyaḥ
Ablative	nistattvāt	nistattvābhyām	nistattvebhyaḥ
Genitive	nistattvasya	nistattvayoḥ	nistattvānām
Locative	nistattve	nistattvayoḥ	nistattveṣu

Compound nistattva -

Adverb -nistattvam -nistattvāt