Declension table of ?pupupūrṣvas

Masculine	Singular	Dual	Plural
Nominative	pupupūrṣvān	pupupūrṣvāṃsau	pupupūrṣvāṃsaḥ
Vocative	pupupūrṣvan	pupupūrṣvāṃsau	pupupūrṣvāṃsaḥ
Accusative	pupupūrṣvāṃsam	pupupūrṣvāṃsau	pupupūrṣuṣaḥ
Instrumental	pupupūrṣuṣā	pupupūrṣvadbhyām	pupupūrṣvadbhiḥ
Dative	pupupūrṣuṣe	pupupūrṣvadbhyām	pupupūrṣvadbhyaḥ
Ablative	pupupūrṣuṣaḥ	pupupūrṣvadbhyām	pupupūrṣvadbhyaḥ
Genitive	pupupūrṣuṣaḥ	pupupūrṣuṣoḥ	pupupūrṣuṣām
Locative	pupupūrṣuṣi	pupupūrṣuṣoḥ	pupupūrṣvatsu

Compound pupupūrṣvat -

Adverb -pupupūrṣvas