Declension table of ?nirava

Masculine	Singular	Dual	Plural
Nominative	niravaḥ	niravau	niravāḥ
Vocative	nirava	niravau	niravāḥ
Accusative	niravam	niravau	niravān
Instrumental	niraveṇa	niravābhyām	niravaiḥ niravebhiḥ
Dative	niravāya	niravābhyām	niravebhyaḥ
Ablative	niravāt	niravābhyām	niravebhyaḥ
Genitive	niravasya	niravayoḥ	niravāṇām
Locative	nirave	niravayoḥ	niraveṣu

Compound nirava -

Adverb -niravam -niravāt