Declension table of ?puruṣaśīrṣaka

Masculine	Singular	Dual	Plural
Nominative	puruṣaśīrṣakaḥ	puruṣaśīrṣakau	puruṣaśīrṣakāḥ
Vocative	puruṣaśīrṣaka	puruṣaśīrṣakau	puruṣaśīrṣakāḥ
Accusative	puruṣaśīrṣakam	puruṣaśīrṣakau	puruṣaśīrṣakān
Instrumental	puruṣaśīrṣakeṇa	puruṣaśīrṣakābhyām	puruṣaśīrṣakaiḥ puruṣaśīrṣakebhiḥ
Dative	puruṣaśīrṣakāya	puruṣaśīrṣakābhyām	puruṣaśīrṣakebhyaḥ
Ablative	puruṣaśīrṣakāt	puruṣaśīrṣakābhyām	puruṣaśīrṣakebhyaḥ
Genitive	puruṣaśīrṣakasya	puruṣaśīrṣakayoḥ	puruṣaśīrṣakāṇām
Locative	puruṣaśīrṣake	puruṣaśīrṣakayoḥ	puruṣaśīrṣakeṣu

Compound puruṣaśīrṣaka -

Adverb -puruṣaśīrṣakam -puruṣaśīrṣakāt