Declension table of ?nirdravya

Neuter	Singular	Dual	Plural
Nominative	nirdravyam	nirdravye	nirdravyāṇi
Vocative	nirdravya	nirdravye	nirdravyāṇi
Accusative	nirdravyam	nirdravye	nirdravyāṇi
Instrumental	nirdravyeṇa	nirdravyābhyām	nirdravyaiḥ
Dative	nirdravyāya	nirdravyābhyām	nirdravyebhyaḥ
Ablative	nirdravyāt	nirdravyābhyām	nirdravyebhyaḥ
Genitive	nirdravyasya	nirdravyayoḥ	nirdravyāṇām
Locative	nirdravye	nirdravyayoḥ	nirdravyeṣu

Compound nirdravya -

Adverb -nirdravyam -nirdravyāt