Declension table of ?nisvara

Neuter	Singular	Dual	Plural
Nominative	nisvaram	nisvare	nisvarāṇi
Vocative	nisvara	nisvare	nisvarāṇi
Accusative	nisvaram	nisvare	nisvarāṇi
Instrumental	nisvareṇa	nisvarābhyām	nisvaraiḥ
Dative	nisvarāya	nisvarābhyām	nisvarebhyaḥ
Ablative	nisvarāt	nisvarābhyām	nisvarebhyaḥ
Genitive	nisvarasya	nisvarayoḥ	nisvarāṇām
Locative	nisvare	nisvarayoḥ	nisvareṣu

Compound nisvara -

Adverb -nisvaram -nisvarāt