Declension table of dānava

Masculine	Singular	Dual	Plural
Nominative	dānavaḥ	dānavau	dānavāḥ
Vocative	dānava	dānavau	dānavāḥ
Accusative	dānavam	dānavau	dānavān
Instrumental	dānavena	dānavābhyām	dānavaiḥ dānavebhiḥ
Dative	dānavāya	dānavābhyām	dānavebhyaḥ
Ablative	dānavāt	dānavābhyām	dānavebhyaḥ
Genitive	dānavasya	dānavayoḥ	dānavānām
Locative	dānave	dānavayoḥ	dānaveṣu

Compound dānava -

Adverb -dānavam -dānavāt