Declension table of ?dhvaniṣyat

Masculine	Singular	Dual	Plural
Nominative	dhvaniṣyan	dhvaniṣyantau	dhvaniṣyantaḥ
Vocative	dhvaniṣyan	dhvaniṣyantau	dhvaniṣyantaḥ
Accusative	dhvaniṣyantam	dhvaniṣyantau	dhvaniṣyataḥ
Instrumental	dhvaniṣyatā	dhvaniṣyadbhyām	dhvaniṣyadbhiḥ
Dative	dhvaniṣyate	dhvaniṣyadbhyām	dhvaniṣyadbhyaḥ
Ablative	dhvaniṣyataḥ	dhvaniṣyadbhyām	dhvaniṣyadbhyaḥ
Genitive	dhvaniṣyataḥ	dhvaniṣyatoḥ	dhvaniṣyatām
Locative	dhvaniṣyati	dhvaniṣyatoḥ	dhvaniṣyatsu

Compound dhvaniṣyat -

Adverb -dhvaniṣyantam