Declension table of vyaya

Masculine	Singular	Dual	Plural
Nominative	vyayaḥ	vyayau	vyayāḥ
Vocative	vyaya	vyayau	vyayāḥ
Accusative	vyayam	vyayau	vyayān
Instrumental	vyayena	vyayābhyām	vyayaiḥ vyayebhiḥ
Dative	vyayāya	vyayābhyām	vyayebhyaḥ
Ablative	vyayāt	vyayābhyām	vyayebhyaḥ
Genitive	vyayasya	vyayayoḥ	vyayānām
Locative	vyaye	vyayayoḥ	vyayeṣu

Compound vyaya -

Adverb -vyayam -vyayāt