Declension table of ?nirvivara

Neuter	Singular	Dual	Plural
Nominative	nirvivaram	nirvivare	nirvivarāṇi
Vocative	nirvivara	nirvivare	nirvivarāṇi
Accusative	nirvivaram	nirvivare	nirvivarāṇi
Instrumental	nirvivareṇa	nirvivarābhyām	nirvivaraiḥ
Dative	nirvivarāya	nirvivarābhyām	nirvivarebhyaḥ
Ablative	nirvivarāt	nirvivarābhyām	nirvivarebhyaḥ
Genitive	nirvivarasya	nirvivarayoḥ	nirvivarāṇām
Locative	nirvivare	nirvivarayoḥ	nirvivareṣu

Compound nirvivara -

Adverb -nirvivaram -nirvivarāt