Declension table of ?puṇaka

Masculine	Singular	Dual	Plural
Nominative	puṇakaḥ	puṇakau	puṇakāḥ
Vocative	puṇaka	puṇakau	puṇakāḥ
Accusative	puṇakam	puṇakau	puṇakān
Instrumental	puṇakena	puṇakābhyām	puṇakaiḥ puṇakebhiḥ
Dative	puṇakāya	puṇakābhyām	puṇakebhyaḥ
Ablative	puṇakāt	puṇakābhyām	puṇakebhyaḥ
Genitive	puṇakasya	puṇakayoḥ	puṇakānām
Locative	puṇake	puṇakayoḥ	puṇakeṣu

Compound puṇaka -

Adverb -puṇakam -puṇakāt