Declension table of ?vyapya

Neuter	Singular	Dual	Plural
Nominative	vyapyam	vyapye	vyapyāni
Vocative	vyapya	vyapye	vyapyāni
Accusative	vyapyam	vyapye	vyapyāni
Instrumental	vyapyena	vyapyābhyām	vyapyaiḥ
Dative	vyapyāya	vyapyābhyām	vyapyebhyaḥ
Ablative	vyapyāt	vyapyābhyām	vyapyebhyaḥ
Genitive	vyapyasya	vyapyayoḥ	vyapyānām
Locative	vyapye	vyapyayoḥ	vyapyeṣu

Compound vyapya -

Adverb -vyapyam -vyapyāt