Declension table of ?dhvaṃsayat

Masculine	Singular	Dual	Plural
Nominative	dhvaṃsayan	dhvaṃsayantau	dhvaṃsayantaḥ
Vocative	dhvaṃsayan	dhvaṃsayantau	dhvaṃsayantaḥ
Accusative	dhvaṃsayantam	dhvaṃsayantau	dhvaṃsayataḥ
Instrumental	dhvaṃsayatā	dhvaṃsayadbhyām	dhvaṃsayadbhiḥ
Dative	dhvaṃsayate	dhvaṃsayadbhyām	dhvaṃsayadbhyaḥ
Ablative	dhvaṃsayataḥ	dhvaṃsayadbhyām	dhvaṃsayadbhyaḥ
Genitive	dhvaṃsayataḥ	dhvaṃsayatoḥ	dhvaṃsayatām
Locative	dhvaṃsayati	dhvaṃsayatoḥ	dhvaṃsayatsu

Compound dhvaṃsayat -

Adverb -dhvaṃsayantam