Declension table of ?puruṣaka

Masculine	Singular	Dual	Plural
Nominative	puruṣakaḥ	puruṣakau	puruṣakāḥ
Vocative	puruṣaka	puruṣakau	puruṣakāḥ
Accusative	puruṣakam	puruṣakau	puruṣakān
Instrumental	puruṣakeṇa	puruṣakābhyām	puruṣakaiḥ puruṣakebhiḥ
Dative	puruṣakāya	puruṣakābhyām	puruṣakebhyaḥ
Ablative	puruṣakāt	puruṣakābhyām	puruṣakebhyaḥ
Genitive	puruṣakasya	puruṣakayoḥ	puruṣakāṇām
Locative	puruṣake	puruṣakayoḥ	puruṣakeṣu

Compound puruṣaka -

Adverb -puruṣakam -puruṣakāt