Declension table of ?dhvaṇamāna

Masculine	Singular	Dual	Plural
Nominative	dhvaṇamānaḥ	dhvaṇamānau	dhvaṇamānāḥ
Vocative	dhvaṇamāna	dhvaṇamānau	dhvaṇamānāḥ
Accusative	dhvaṇamānam	dhvaṇamānau	dhvaṇamānān
Instrumental	dhvaṇamānena	dhvaṇamānābhyām	dhvaṇamānaiḥ dhvaṇamānebhiḥ
Dative	dhvaṇamānāya	dhvaṇamānābhyām	dhvaṇamānebhyaḥ
Ablative	dhvaṇamānāt	dhvaṇamānābhyām	dhvaṇamānebhyaḥ
Genitive	dhvaṇamānasya	dhvaṇamānayoḥ	dhvaṇamānānām
Locative	dhvaṇamāne	dhvaṇamānayoḥ	dhvaṇamāneṣu

Compound dhvaṇamāna -

Adverb -dhvaṇamānam -dhvaṇamānāt