Declension table of ?petivas

Neuter	Singular	Dual	Plural
Nominative	petivat	petuṣī	petivāṃsi
Vocative	petivat	petuṣī	petivāṃsi
Accusative	petivat	petuṣī	petivāṃsi
Instrumental	petuṣā	petivadbhyām	petivadbhiḥ
Dative	petuṣe	petivadbhyām	petivadbhyaḥ
Ablative	petuṣaḥ	petivadbhyām	petivadbhyaḥ
Genitive	petuṣaḥ	petuṣoḥ	petuṣām
Locative	petuṣi	petuṣoḥ	petivatsu

Compound petivat -

Adverb -petivas