Declension table of ?nirvara

Neuter	Singular	Dual	Plural
Nominative	nirvaram	nirvare	nirvarāṇi
Vocative	nirvara	nirvare	nirvarāṇi
Accusative	nirvaram	nirvare	nirvarāṇi
Instrumental	nirvareṇa	nirvarābhyām	nirvaraiḥ
Dative	nirvarāya	nirvarābhyām	nirvarebhyaḥ
Ablative	nirvarāt	nirvarābhyām	nirvarebhyaḥ
Genitive	nirvarasya	nirvarayoḥ	nirvarāṇām
Locative	nirvare	nirvarayoḥ	nirvareṣu

Compound nirvara -

Adverb -nirvaram -nirvarāt