Declension table of ?purāṇaga

Masculine	Singular	Dual	Plural
Nominative	purāṇagaḥ	purāṇagau	purāṇagāḥ
Vocative	purāṇaga	purāṇagau	purāṇagāḥ
Accusative	purāṇagam	purāṇagau	purāṇagān
Instrumental	purāṇagena	purāṇagābhyām	purāṇagaiḥ purāṇagebhiḥ
Dative	purāṇagāya	purāṇagābhyām	purāṇagebhyaḥ
Ablative	purāṇagāt	purāṇagābhyām	purāṇagebhyaḥ
Genitive	purāṇagasya	purāṇagayoḥ	purāṇagānām
Locative	purāṇage	purāṇagayoḥ	purāṇageṣu

Compound purāṇaga -

Adverb -purāṇagam -purāṇagāt