Declension table of ?pupuṣvas

Masculine	Singular	Dual	Plural
Nominative	pupuṣvān	pupuṣvāṃsau	pupuṣvāṃsaḥ
Vocative	pupuṣvan	pupuṣvāṃsau	pupuṣvāṃsaḥ
Accusative	pupuṣvāṃsam	pupuṣvāṃsau	pupuṣuṣaḥ
Instrumental	pupuṣuṣā	pupuṣvadbhyām	pupuṣvadbhiḥ
Dative	pupuṣuṣe	pupuṣvadbhyām	pupuṣvadbhyaḥ
Ablative	pupuṣuṣaḥ	pupuṣvadbhyām	pupuṣvadbhyaḥ
Genitive	pupuṣuṣaḥ	pupuṣuṣoḥ	pupuṣuṣām
Locative	pupuṣuṣi	pupuṣuṣoḥ	pupuṣvatsu

Compound pupuṣvat -

Adverb -pupuṣvas