Declension table of ?parivyaya

Masculine	Singular	Dual	Plural
Nominative	parivyayaḥ	parivyayau	parivyayāḥ
Vocative	parivyaya	parivyayau	parivyayāḥ
Accusative	parivyayam	parivyayau	parivyayān
Instrumental	parivyayeṇa	parivyayābhyām	parivyayaiḥ parivyayebhiḥ
Dative	parivyayāya	parivyayābhyām	parivyayebhyaḥ
Ablative	parivyayāt	parivyayābhyām	parivyayebhyaḥ
Genitive	parivyayasya	parivyayayoḥ	parivyayāṇām
Locative	parivyaye	parivyayayoḥ	parivyayeṣu

Compound parivyaya -

Adverb -parivyayam -parivyayāt