Declension table of ?pratyavarodhana

Neuter	Singular	Dual	Plural
Nominative	pratyavarodhanam	pratyavarodhane	pratyavarodhanāni
Vocative	pratyavarodhana	pratyavarodhane	pratyavarodhanāni
Accusative	pratyavarodhanam	pratyavarodhane	pratyavarodhanāni
Instrumental	pratyavarodhanena	pratyavarodhanābhyām	pratyavarodhanaiḥ
Dative	pratyavarodhanāya	pratyavarodhanābhyām	pratyavarodhanebhyaḥ
Ablative	pratyavarodhanāt	pratyavarodhanābhyām	pratyavarodhanebhyaḥ
Genitive	pratyavarodhanasya	pratyavarodhanayoḥ	pratyavarodhanānām
Locative	pratyavarodhane	pratyavarodhanayoḥ	pratyavarodhaneṣu

Compound pratyavarodhana -

Adverb -pratyavarodhanam -pratyavarodhanāt