Declension table of unnatatva

Neuter	Singular	Dual	Plural
Nominative	unnatatvam	unnatatve	unnatatvāni
Vocative	unnatatva	unnatatve	unnatatvāni
Accusative	unnatatvam	unnatatve	unnatatvāni
Instrumental	unnatatvena	unnatatvābhyām	unnatatvaiḥ
Dative	unnatatvāya	unnatatvābhyām	unnatatvebhyaḥ
Ablative	unnatatvāt	unnatatvābhyām	unnatatvebhyaḥ
Genitive	unnatatvasya	unnatatvayoḥ	unnatatvānām
Locative	unnatatve	unnatatvayoḥ	unnatatveṣu

Compound unnatatva -

Adverb -unnatatvam -unnatatvāt