Declension table of dānava

Neuter	Singular	Dual	Plural
Nominative	dānavam	dānave	dānavāni
Vocative	dānava	dānave	dānavāni
Accusative	dānavam	dānave	dānavāni
Instrumental	dānavena	dānavābhyām	dānavaiḥ
Dative	dānavāya	dānavābhyām	dānavebhyaḥ
Ablative	dānavāt	dānavābhyām	dānavebhyaḥ
Genitive	dānavasya	dānavayoḥ	dānavānām
Locative	dānave	dānavayoḥ	dānaveṣu

Compound dānava -

Adverb -dānavam -dānavāt