Declension table of ?nisvana

Masculine	Singular	Dual	Plural
Nominative	nisvanaḥ	nisvanau	nisvanāḥ
Vocative	nisvana	nisvanau	nisvanāḥ
Accusative	nisvanam	nisvanau	nisvanān
Instrumental	nisvanena	nisvanābhyām	nisvanaiḥ nisvanebhiḥ
Dative	nisvanāya	nisvanābhyām	nisvanebhyaḥ
Ablative	nisvanāt	nisvanābhyām	nisvanebhyaḥ
Genitive	nisvanasya	nisvanayoḥ	nisvanānām
Locative	nisvane	nisvanayoḥ	nisvaneṣu

Compound nisvana -

Adverb -nisvanam -nisvanāt