Declension table of apratyaya

Neuter	Singular	Dual	Plural
Nominative	apratyayam	apratyaye	apratyayāni
Vocative	apratyaya	apratyaye	apratyayāni
Accusative	apratyayam	apratyaye	apratyayāni
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