Declension table of ?vyapāya

Masculine	Singular	Dual	Plural
Nominative	vyapāyaḥ	vyapāyau	vyapāyāḥ
Vocative	vyapāya	vyapāyau	vyapāyāḥ
Accusative	vyapāyam	vyapāyau	vyapāyān
Instrumental	vyapāyena	vyapāyābhyām	vyapāyaiḥ vyapāyebhiḥ
Dative	vyapāyāya	vyapāyābhyām	vyapāyebhyaḥ
Ablative	vyapāyāt	vyapāyābhyām	vyapāyebhyaḥ
Genitive	vyapāyasya	vyapāyayoḥ	vyapāyānām
Locative	vyapāye	vyapāyayoḥ	vyapāyeṣu

Compound vyapāya -

Adverb -vyapāyam -vyapāyāt