Declension table of ?pupruṣvas

Masculine	Singular	Dual	Plural
Nominative	pupruṣvān	pupruṣvāṃsau	pupruṣvāṃsaḥ
Vocative	pupruṣvan	pupruṣvāṃsau	pupruṣvāṃsaḥ
Accusative	pupruṣvāṃsam	pupruṣvāṃsau	pupruṣuṣaḥ
Instrumental	pupruṣuṣā	pupruṣvadbhyām	pupruṣvadbhiḥ
Dative	pupruṣuṣe	pupruṣvadbhyām	pupruṣvadbhyaḥ
Ablative	pupruṣuṣaḥ	pupruṣvadbhyām	pupruṣvadbhyaḥ
Genitive	pupruṣuṣaḥ	pupruṣuṣoḥ	pupruṣuṣām
Locative	pupruṣuṣi	pupruṣuṣoḥ	pupruṣvatsu

Compound pupruṣvat -

Adverb -pupruṣvas