Declension table of ?neśāna

Neuter	Singular	Dual	Plural
Nominative	neśānam	neśāne	neśānāni
Vocative	neśāna	neśāne	neśānāni
Accusative	neśānam	neśāne	neśānāni
Instrumental	neśānena	neśānābhyām	neśānaiḥ
Dative	neśānāya	neśānābhyām	neśānebhyaḥ
Ablative	neśānāt	neśānābhyām	neśānebhyaḥ
Genitive	neśānasya	neśānayoḥ	neśānānām
Locative	neśāne	neśānayoḥ	neśāneṣu

Compound neśāna -

Adverb -neśānam -neśānāt