Declension table of apāya

Masculine	Singular	Dual	Plural
Nominative	apāyaḥ	apāyau	apāyāḥ
Vocative	apāya	apāyau	apāyāḥ
Accusative	apāyam	apāyau	apāyān
Instrumental	apāyena	apāyābhyām	apāyaiḥ apāyebhiḥ
Dative	apāyāya	apāyābhyām	apāyebhyaḥ
Ablative	apāyāt	apāyābhyām	apāyebhyaḥ
Genitive	apāyasya	apāyayoḥ	apāyānām
Locative	apāye	apāyayoḥ	apāyeṣu

Compound apāya -

Adverb -apāyam -apāyāt