Declension table of ?mahāpāruṣaka

Masculine	Singular	Dual	Plural
Nominative	mahāpāruṣakaḥ	mahāpāruṣakau	mahāpāruṣakāḥ
Vocative	mahāpāruṣaka	mahāpāruṣakau	mahāpāruṣakāḥ
Accusative	mahāpāruṣakam	mahāpāruṣakau	mahāpāruṣakān
Instrumental	mahāpāruṣakeṇa	mahāpāruṣakābhyām	mahāpāruṣakaiḥ mahāpāruṣakebhiḥ
Dative	mahāpāruṣakāya	mahāpāruṣakābhyām	mahāpāruṣakebhyaḥ
Ablative	mahāpāruṣakāt	mahāpāruṣakābhyām	mahāpāruṣakebhyaḥ
Genitive	mahāpāruṣakasya	mahāpāruṣakayoḥ	mahāpāruṣakāṇām
Locative	mahāpāruṣake	mahāpāruṣakayoḥ	mahāpāruṣakeṣu

Compound mahāpāruṣaka -

Adverb -mahāpāruṣakam -mahāpāruṣakāt