Declension table of nirdevatva

Neuter	Singular	Dual	Plural
Nominative	nirdevatvam	nirdevatve	nirdevatvāni
Vocative	nirdevatva	nirdevatve	nirdevatvāni
Accusative	nirdevatvam	nirdevatve	nirdevatvāni
Instrumental	nirdevatvena	nirdevatvābhyām	nirdevatvaiḥ
Dative	nirdevatvāya	nirdevatvābhyām	nirdevatvebhyaḥ
Ablative	nirdevatvāt	nirdevatvābhyām	nirdevatvebhyaḥ
Genitive	nirdevatvasya	nirdevatvayoḥ	nirdevatvānām
Locative	nirdevatve	nirdevatvayoḥ	nirdevatveṣu

Compound nirdevatva -

Adverb -nirdevatvam -nirdevatvāt