Declension table of ?puputhvas

Neuter	Singular	Dual	Plural
Nominative	puputhvat	puputhuṣī	puputhvāṃsi
Vocative	puputhvat	puputhuṣī	puputhvāṃsi
Accusative	puputhvat	puputhuṣī	puputhvāṃsi
Instrumental	puputhuṣā	puputhvadbhyām	puputhvadbhiḥ
Dative	puputhuṣe	puputhvadbhyām	puputhvadbhyaḥ
Ablative	puputhuṣaḥ	puputhvadbhyām	puputhvadbhyaḥ
Genitive	puputhuṣaḥ	puputhuṣoḥ	puputhuṣām
Locative	puputhuṣi	puputhuṣoḥ	puputhvatsu

Compound puputhvat -

Adverb -puputhvat