Declension table of ?dānavat

Masculine	Singular	Dual	Plural
Nominative	dānavān	dānavantau	dānavantaḥ
Vocative	dānavan	dānavantau	dānavantaḥ
Accusative	dānavantam	dānavantau	dānavataḥ
Instrumental	dānavatā	dānavadbhyām	dānavadbhiḥ
Dative	dānavate	dānavadbhyām	dānavadbhyaḥ
Ablative	dānavataḥ	dānavadbhyām	dānavadbhyaḥ
Genitive	dānavataḥ	dānavatoḥ	dānavatām
Locative	dānavati	dānavatoḥ	dānavatsu

Compound dānavat -

Adverb -dānavantam