Declension table of ?pratideya

Neuter	Singular	Dual	Plural
Nominative	pratideyam	pratideye	pratideyāni
Vocative	pratideya	pratideye	pratideyāni
Accusative	pratideyam	pratideye	pratideyāni
Instrumental	pratideyena	pratideyābhyām	pratideyaiḥ
Dative	pratideyāya	pratideyābhyām	pratideyebhyaḥ
Ablative	pratideyāt	pratideyābhyām	pratideyebhyaḥ
Genitive	pratideyasya	pratideyayoḥ	pratideyānām
Locative	pratideye	pratideyayoḥ	pratideyeṣu

Compound pratideya -

Adverb -pratideyam -pratideyāt