Declension table of ?dhūnvat

Masculine	Singular	Dual	Plural
Nominative	dhūnvān	dhūnvantau	dhūnvantaḥ
Vocative	dhūnvan	dhūnvantau	dhūnvantaḥ
Accusative	dhūnvantam	dhūnvantau	dhūnvataḥ
Instrumental	dhūnvatā	dhūnvadbhyām	dhūnvadbhiḥ
Dative	dhūnvate	dhūnvadbhyām	dhūnvadbhyaḥ
Ablative	dhūnvataḥ	dhūnvadbhyām	dhūnvadbhyaḥ
Genitive	dhūnvataḥ	dhūnvatoḥ	dhūnvatām
Locative	dhūnvati	dhūnvatoḥ	dhūnvatsu

Compound dhūnvat -

Adverb -dhūnvantam