Declension table of ?dhvasira

Masculine	Singular	Dual	Plural
Nominative	dhvasiraḥ	dhvasirau	dhvasirāḥ
Vocative	dhvasira	dhvasirau	dhvasirāḥ
Accusative	dhvasiram	dhvasirau	dhvasirān
Instrumental	dhvasireṇa	dhvasirābhyām	dhvasiraiḥ dhvasirebhiḥ
Dative	dhvasirāya	dhvasirābhyām	dhvasirebhyaḥ
Ablative	dhvasirāt	dhvasirābhyām	dhvasirebhyaḥ
Genitive	dhvasirasya	dhvasirayoḥ	dhvasirāṇām
Locative	dhvasire	dhvasirayoḥ	dhvasireṣu

Compound dhvasira -

Adverb -dhvasiram -dhvasirāt