Declension table of ?dhvasra

Neuter	Singular	Dual	Plural
Nominative	dhvasram	dhvasre	dhvasrāṇi
Vocative	dhvasra	dhvasre	dhvasrāṇi
Accusative	dhvasram	dhvasre	dhvasrāṇi
Instrumental	dhvasreṇa	dhvasrābhyām	dhvasraiḥ
Dative	dhvasrāya	dhvasrābhyām	dhvasrebhyaḥ
Ablative	dhvasrāt	dhvasrābhyām	dhvasrebhyaḥ
Genitive	dhvasrasya	dhvasrayoḥ	dhvasrāṇām
Locative	dhvasre	dhvasrayoḥ	dhvasreṣu

Compound dhvasra -

Adverb -dhvasram -dhvasrāt