Declension table of viparyaya

Neuter	Singular	Dual	Plural
Nominative	viparyayam	viparyaye	viparyayāṇi
Vocative	viparyaya	viparyaye	viparyayāṇi
Accusative	viparyayam	viparyaye	viparyayāṇi
Instrumental	viparyayeṇa	viparyayābhyām	viparyayaiḥ
Dative	viparyayāya	viparyayābhyām	viparyayebhyaḥ
Ablative	viparyayāt	viparyayābhyām	viparyayebhyaḥ
Genitive	viparyayasya	viparyayayoḥ	viparyayāṇām
Locative	viparyaye	viparyayayoḥ	viparyayeṣu

Compound viparyaya -

Adverb -viparyayam -viparyayāt