Declension table of ?drāṇavat

Masculine	Singular	Dual	Plural
Nominative	drāṇavān	drāṇavantau	drāṇavantaḥ
Vocative	drāṇavan	drāṇavantau	drāṇavantaḥ
Accusative	drāṇavantam	drāṇavantau	drāṇavataḥ
Instrumental	drāṇavatā	drāṇavadbhyām	drāṇavadbhiḥ
Dative	drāṇavate	drāṇavadbhyām	drāṇavadbhyaḥ
Ablative	drāṇavataḥ	drāṇavadbhyām	drāṇavadbhyaḥ
Genitive	drāṇavataḥ	drāṇavatoḥ	drāṇavatām
Locative	drāṇavati	drāṇavatoḥ	drāṇavatsu

Compound drāṇavat -

Adverb -drāṇavantam