Declension table of ?niśabda

Masculine	Singular	Dual	Plural
Nominative	niśabdaḥ	niśabdau	niśabdāḥ
Vocative	niśabda	niśabdau	niśabdāḥ
Accusative	niśabdam	niśabdau	niśabdān
Instrumental	niśabdena	niśabdābhyām	niśabdaiḥ niśabdebhiḥ
Dative	niśabdāya	niśabdābhyām	niśabdebhyaḥ
Ablative	niśabdāt	niśabdābhyām	niśabdebhyaḥ
Genitive	niśabdasya	niśabdayoḥ	niśabdānām
Locative	niśabde	niśabdayoḥ	niśabdeṣu

Compound niśabda -

Adverb -niśabdam -niśabdāt