Declension table of ?dhvaṇiṣyat

Masculine	Singular	Dual	Plural
Nominative	dhvaṇiṣyan	dhvaṇiṣyantau	dhvaṇiṣyantaḥ
Vocative	dhvaṇiṣyan	dhvaṇiṣyantau	dhvaṇiṣyantaḥ
Accusative	dhvaṇiṣyantam	dhvaṇiṣyantau	dhvaṇiṣyataḥ
Instrumental	dhvaṇiṣyatā	dhvaṇiṣyadbhyām	dhvaṇiṣyadbhiḥ
Dative	dhvaṇiṣyate	dhvaṇiṣyadbhyām	dhvaṇiṣyadbhyaḥ
Ablative	dhvaṇiṣyataḥ	dhvaṇiṣyadbhyām	dhvaṇiṣyadbhyaḥ
Genitive	dhvaṇiṣyataḥ	dhvaṇiṣyatoḥ	dhvaṇiṣyatām
Locative	dhvaṇiṣyati	dhvaṇiṣyatoḥ	dhvaṇiṣyatsu

Compound dhvaṇiṣyat -

Adverb -dhvaṇiṣyantam