Declension table of ?prasneya

Neuter	Singular	Dual	Plural
Nominative	prasneyam	prasneye	prasneyāni
Vocative	prasneya	prasneye	prasneyāni
Accusative	prasneyam	prasneye	prasneyāni
Instrumental	prasneyena	prasneyābhyām	prasneyaiḥ
Dative	prasneyāya	prasneyābhyām	prasneyebhyaḥ
Ablative	prasneyāt	prasneyābhyām	prasneyebhyaḥ
Genitive	prasneyasya	prasneyayoḥ	prasneyānām
Locative	prasneye	prasneyayoḥ	prasneyeṣu

Compound prasneya -

Adverb -prasneyam -prasneyāt