Declension table of ?puruṣareṣin

Masculine	Singular	Dual	Plural
Nominative	puruṣareṣī	puruṣareṣiṇau	puruṣareṣiṇaḥ
Vocative	puruṣareṣin	puruṣareṣiṇau	puruṣareṣiṇaḥ
Accusative	puruṣareṣiṇam	puruṣareṣiṇau	puruṣareṣiṇaḥ
Instrumental	puruṣareṣiṇā	puruṣareṣibhyām	puruṣareṣibhiḥ
Dative	puruṣareṣiṇe	puruṣareṣibhyām	puruṣareṣibhyaḥ
Ablative	puruṣareṣiṇaḥ	puruṣareṣibhyām	puruṣareṣibhyaḥ
Genitive	puruṣareṣiṇaḥ	puruṣareṣiṇoḥ	puruṣareṣiṇām
Locative	puruṣareṣiṇi	puruṣareṣiṇoḥ	puruṣareṣiṣu

Compound puruṣareṣi -

Adverb -puruṣareṣi