Declension table of ?pāñcadaśya

Masculine	Singular	Dual	Plural
Nominative	pāñcadaśyaḥ	pāñcadaśyau	pāñcadaśyāḥ
Vocative	pāñcadaśya	pāñcadaśyau	pāñcadaśyāḥ
Accusative	pāñcadaśyam	pāñcadaśyau	pāñcadaśyān
Instrumental	pāñcadaśyena	pāñcadaśyābhyām	pāñcadaśyaiḥ pāñcadaśyebhiḥ
Dative	pāñcadaśyāya	pāñcadaśyābhyām	pāñcadaśyebhyaḥ
Ablative	pāñcadaśyāt	pāñcadaśyābhyām	pāñcadaśyebhyaḥ
Genitive	pāñcadaśyasya	pāñcadaśyayoḥ	pāñcadaśyānām
Locative	pāñcadaśye	pāñcadaśyayoḥ	pāñcadaśyeṣu

Compound pāñcadaśya -

Adverb -pāñcadaśyam -pāñcadaśyāt