Declension table of ?pūrṇāpūrṇa

Masculine	Singular	Dual	Plural
Nominative	pūrṇāpūrṇaḥ	pūrṇāpūrṇau	pūrṇāpūrṇāḥ
Vocative	pūrṇāpūrṇa	pūrṇāpūrṇau	pūrṇāpūrṇāḥ
Accusative	pūrṇāpūrṇam	pūrṇāpūrṇau	pūrṇāpūrṇān
Instrumental	pūrṇāpūrṇena	pūrṇāpūrṇābhyām	pūrṇāpūrṇaiḥ pūrṇāpūrṇebhiḥ
Dative	pūrṇāpūrṇāya	pūrṇāpūrṇābhyām	pūrṇāpūrṇebhyaḥ
Ablative	pūrṇāpūrṇāt	pūrṇāpūrṇābhyām	pūrṇāpūrṇebhyaḥ
Genitive	pūrṇāpūrṇasya	pūrṇāpūrṇayoḥ	pūrṇāpūrṇānām
Locative	pūrṇāpūrṇe	pūrṇāpūrṇayoḥ	pūrṇāpūrṇeṣu

Compound pūrṇāpūrṇa -

Adverb -pūrṇāpūrṇam -pūrṇāpūrṇāt