Declension table of ?pratyāvartana

Neuter	Singular	Dual	Plural
Nominative	pratyāvartanam	pratyāvartane	pratyāvartanāni
Vocative	pratyāvartana	pratyāvartane	pratyāvartanāni
Accusative	pratyāvartanam	pratyāvartane	pratyāvartanāni
Instrumental	pratyāvartanena	pratyāvartanābhyām	pratyāvartanaiḥ
Dative	pratyāvartanāya	pratyāvartanābhyām	pratyāvartanebhyaḥ
Ablative	pratyāvartanāt	pratyāvartanābhyām	pratyāvartanebhyaḥ
Genitive	pratyāvartanasya	pratyāvartanayoḥ	pratyāvartanānām
Locative	pratyāvartane	pratyāvartanayoḥ	pratyāvartaneṣu

Compound pratyāvartana -

Adverb -pratyāvartanam -pratyāvartanāt