Declension table of ?pūrṇāṅka

Masculine	Singular	Dual	Plural
Nominative	pūrṇāṅkaḥ	pūrṇāṅkau	pūrṇāṅkāḥ
Vocative	pūrṇāṅka	pūrṇāṅkau	pūrṇāṅkāḥ
Accusative	pūrṇāṅkam	pūrṇāṅkau	pūrṇāṅkān
Instrumental	pūrṇāṅkena	pūrṇāṅkābhyām	pūrṇāṅkaiḥ pūrṇāṅkebhiḥ
Dative	pūrṇāṅkāya	pūrṇāṅkābhyām	pūrṇāṅkebhyaḥ
Ablative	pūrṇāṅkāt	pūrṇāṅkābhyām	pūrṇāṅkebhyaḥ
Genitive	pūrṇāṅkasya	pūrṇāṅkayoḥ	pūrṇāṅkānām
Locative	pūrṇāṅke	pūrṇāṅkayoḥ	pūrṇāṅkeṣu

Compound pūrṇāṅka -

Adverb -pūrṇāṅkam -pūrṇāṅkāt