Declension table of ?pūraṇakāśyapa

Masculine	Singular	Dual	Plural
Nominative	pūraṇakāśyapaḥ	pūraṇakāśyapau	pūraṇakāśyapāḥ
Vocative	pūraṇakāśyapa	pūraṇakāśyapau	pūraṇakāśyapāḥ
Accusative	pūraṇakāśyapam	pūraṇakāśyapau	pūraṇakāśyapān
Instrumental	pūraṇakāśyapena	pūraṇakāśyapābhyām	pūraṇakāśyapaiḥ pūraṇakāśyapebhiḥ
Dative	pūraṇakāśyapāya	pūraṇakāśyapābhyām	pūraṇakāśyapebhyaḥ
Ablative	pūraṇakāśyapāt	pūraṇakāśyapābhyām	pūraṇakāśyapebhyaḥ
Genitive	pūraṇakāśyapasya	pūraṇakāśyapayoḥ	pūraṇakāśyapānām
Locative	pūraṇakāśyape	pūraṇakāśyapayoḥ	pūraṇakāśyapeṣu

Compound pūraṇakāśyapa -

Adverb -pūraṇakāśyapam -pūraṇakāśyapāt