Declension table of ?dhvanidhvaṃsa

Masculine	Singular	Dual	Plural
Nominative	dhvanidhvaṃsaḥ	dhvanidhvaṃsau	dhvanidhvaṃsāḥ
Vocative	dhvanidhvaṃsa	dhvanidhvaṃsau	dhvanidhvaṃsāḥ
Accusative	dhvanidhvaṃsam	dhvanidhvaṃsau	dhvanidhvaṃsān
Instrumental	dhvanidhvaṃsena	dhvanidhvaṃsābhyām	dhvanidhvaṃsaiḥ dhvanidhvaṃsebhiḥ
Dative	dhvanidhvaṃsāya	dhvanidhvaṃsābhyām	dhvanidhvaṃsebhyaḥ
Ablative	dhvanidhvaṃsāt	dhvanidhvaṃsābhyām	dhvanidhvaṃsebhyaḥ
Genitive	dhvanidhvaṃsasya	dhvanidhvaṃsayoḥ	dhvanidhvaṃsānām
Locative	dhvanidhvaṃse	dhvanidhvaṃsayoḥ	dhvanidhvaṃseṣu

Compound dhvanidhvaṃsa -

Adverb -dhvanidhvaṃsam -dhvanidhvaṃsāt