Declension table of ?pratiyatna

Neuter	Singular	Dual	Plural
Nominative	pratiyatnam	pratiyatne	pratiyatnāni
Vocative	pratiyatna	pratiyatne	pratiyatnāni
Accusative	pratiyatnam	pratiyatne	pratiyatnāni
Instrumental	pratiyatnena	pratiyatnābhyām	pratiyatnaiḥ
Dative	pratiyatnāya	pratiyatnābhyām	pratiyatnebhyaḥ
Ablative	pratiyatnāt	pratiyatnābhyām	pratiyatnebhyaḥ
Genitive	pratiyatnasya	pratiyatnayoḥ	pratiyatnānām
Locative	pratiyatne	pratiyatnayoḥ	pratiyatneṣu

Compound pratiyatna -

Adverb -pratiyatnam -pratiyatnāt