Declension table of ?naddhavya

Neuter	Singular	Dual	Plural
Nominative	naddhavyam	naddhavye	naddhavyāni
Vocative	naddhavya	naddhavye	naddhavyāni
Accusative	naddhavyam	naddhavye	naddhavyāni
Instrumental	naddhavyena	naddhavyābhyām	naddhavyaiḥ
Dative	naddhavyāya	naddhavyābhyām	naddhavyebhyaḥ
Ablative	naddhavyāt	naddhavyābhyām	naddhavyebhyaḥ
Genitive	naddhavyasya	naddhavyayoḥ	naddhavyānām
Locative	naddhavye	naddhavyayoḥ	naddhavyeṣu

Compound naddhavya -

Adverb -naddhavyam -naddhavyāt