Declension table of ?vāpya

Masculine	Singular	Dual	Plural
Nominative	vāpyaḥ	vāpyau	vāpyāḥ
Vocative	vāpya	vāpyau	vāpyāḥ
Accusative	vāpyam	vāpyau	vāpyān
Instrumental	vāpyena	vāpyābhyām	vāpyaiḥ vāpyebhiḥ
Dative	vāpyāya	vāpyābhyām	vāpyebhyaḥ
Ablative	vāpyāt	vāpyābhyām	vāpyebhyaḥ
Genitive	vāpyasya	vāpyayoḥ	vāpyānām
Locative	vāpye	vāpyayoḥ	vāpyeṣu

Compound vāpya -

Adverb -vāpyam -vāpyāt