Declension table of ?dadhvaṇāna

Neuter	Singular	Dual	Plural
Nominative	dadhvaṇānam	dadhvaṇāne	dadhvaṇānāni
Vocative	dadhvaṇāna	dadhvaṇāne	dadhvaṇānāni
Accusative	dadhvaṇānam	dadhvaṇāne	dadhvaṇānāni
Instrumental	dadhvaṇānena	dadhvaṇānābhyām	dadhvaṇānaiḥ
Dative	dadhvaṇānāya	dadhvaṇānābhyām	dadhvaṇānebhyaḥ
Ablative	dadhvaṇānāt	dadhvaṇānābhyām	dadhvaṇānebhyaḥ
Genitive	dadhvaṇānasya	dadhvaṇānayoḥ	dadhvaṇānānām
Locative	dadhvaṇāne	dadhvaṇānayoḥ	dadhvaṇāneṣu

Compound dadhvaṇāna -

Adverb -dadhvaṇānam -dadhvaṇānāt