Declension table of ?pracchana

Neuter	Singular	Dual	Plural
Nominative	pracchanam	pracchane	pracchanāni
Vocative	pracchana	pracchane	pracchanāni
Accusative	pracchanam	pracchane	pracchanāni
Instrumental	pracchanena	pracchanābhyām	pracchanaiḥ
Dative	pracchanāya	pracchanābhyām	pracchanebhyaḥ
Ablative	pracchanāt	pracchanābhyām	pracchanebhyaḥ
Genitive	pracchanasya	pracchanayoḥ	pracchanānām
Locative	pracchane	pracchanayoḥ	pracchaneṣu

Compound pracchana -

Adverb -pracchanam -pracchanāt