Declension table of apratyaya

Masculine	Singular	Dual	Plural
Nominative	apratyayaḥ	apratyayau	apratyayāḥ
Vocative	apratyaya	apratyayau	apratyayāḥ
Accusative	apratyayam	apratyayau	apratyayān
Instrumental	apratyayena	apratyayābhyām	apratyayaiḥ
Dative	apratyayāya	apratyayābhyām	apratyayebhyaḥ
Ablative	apratyayāt	apratyayābhyām	apratyayebhyaḥ
Genitive	apratyayasya	apratyayayoḥ	apratyayānām
Locative	apratyaye	apratyayayoḥ	apratyayeṣu

Compound apratyaya -

Adverb -apratyayam -apratyayāt