Declension table of ?pethivas

Neuter	Singular	Dual	Plural
Nominative	pethivat	pethuṣī	pethivāṃsi
Vocative	pethivat	pethuṣī	pethivāṃsi
Accusative	pethivat	pethuṣī	pethivāṃsi
Instrumental	pethuṣā	pethivadbhyām	pethivadbhiḥ
Dative	pethuṣe	pethivadbhyām	pethivadbhyaḥ
Ablative	pethuṣaḥ	pethivadbhyām	pethivadbhyaḥ
Genitive	pethuṣaḥ	pethuṣoḥ	pethuṣām
Locative	pethuṣi	pethuṣoḥ	pethivatsu

Compound pethivat -

Adverb -pethivas