Declension table of ?nimnatva

Neuter	Singular	Dual	Plural
Nominative	nimnatvam	nimnatve	nimnatvāni
Vocative	nimnatva	nimnatve	nimnatvāni
Accusative	nimnatvam	nimnatve	nimnatvāni
Instrumental	nimnatvena	nimnatvābhyām	nimnatvaiḥ
Dative	nimnatvāya	nimnatvābhyām	nimnatvebhyaḥ
Ablative	nimnatvāt	nimnatvābhyām	nimnatvebhyaḥ
Genitive	nimnatvasya	nimnatvayoḥ	nimnatvānām
Locative	nimnatve	nimnatvayoḥ	nimnatveṣu

Compound nimnatva -

Adverb -nimnatvam -nimnatvāt