Declension table of nagnatva

Neuter	Singular	Dual	Plural
Nominative	nagnatvam	nagnatve	nagnatvāni
Vocative	nagnatva	nagnatve	nagnatvāni
Accusative	nagnatvam	nagnatve	nagnatvāni
Instrumental	nagnatvena	nagnatvābhyām	nagnatvaiḥ
Dative	nagnatvāya	nagnatvābhyām	nagnatvebhyaḥ
Ablative	nagnatvāt	nagnatvābhyām	nagnatvebhyaḥ
Genitive	nagnatvasya	nagnatvayoḥ	nagnatvānām
Locative	nagnatve	nagnatvayoḥ	nagnatveṣu

Compound nagnatva -

Adverb -nagnatvam -nagnatvāt