Declension table of ?pratyāneya

Neuter	Singular	Dual	Plural
Nominative	pratyāneyam	pratyāneye	pratyāneyāni
Vocative	pratyāneya	pratyāneye	pratyāneyāni
Accusative	pratyāneyam	pratyāneye	pratyāneyāni
Instrumental	pratyāneyena	pratyāneyābhyām	pratyāneyaiḥ
Dative	pratyāneyāya	pratyāneyābhyām	pratyāneyebhyaḥ
Ablative	pratyāneyāt	pratyāneyābhyām	pratyāneyebhyaḥ
Genitive	pratyāneyasya	pratyāneyayoḥ	pratyāneyānām
Locative	pratyāneye	pratyāneyayoḥ	pratyāneyeṣu

Compound pratyāneya -

Adverb -pratyāneyam -pratyāneyāt