Declension table of ?puṇtavat

Masculine	Singular	Dual	Plural
Nominative	puṇtavān	puṇtavantau	puṇtavantaḥ
Vocative	puṇtavan	puṇtavantau	puṇtavantaḥ
Accusative	puṇtavantam	puṇtavantau	puṇtavataḥ
Instrumental	puṇtavatā	puṇtavadbhyām	puṇtavadbhiḥ
Dative	puṇtavate	puṇtavadbhyām	puṇtavadbhyaḥ
Ablative	puṇtavataḥ	puṇtavadbhyām	puṇtavadbhyaḥ
Genitive	puṇtavataḥ	puṇtavatoḥ	puṇtavatām
Locative	puṇtavati	puṇtavatoḥ	puṇtavatsu

Compound puṇtavat -

Adverb -puṇtavantam