Declension table of ?dāpya

Masculine	Singular	Dual	Plural
Nominative	dāpyaḥ	dāpyau	dāpyāḥ
Vocative	dāpya	dāpyau	dāpyāḥ
Accusative	dāpyam	dāpyau	dāpyān
Instrumental	dāpyena	dāpyābhyām	dāpyaiḥ dāpyebhiḥ
Dative	dāpyāya	dāpyābhyām	dāpyebhyaḥ
Ablative	dāpyāt	dāpyābhyām	dāpyebhyaḥ
Genitive	dāpyasya	dāpyayoḥ	dāpyānām
Locative	dāpye	dāpyayoḥ	dāpyeṣu

Compound dāpya -

Adverb -dāpyam -dāpyāt