Declension table of ?peyivas

Neuter	Singular	Dual	Plural
Nominative	peyivat	peyuṣī	peyivāṃsi
Vocative	peyivat	peyuṣī	peyivāṃsi
Accusative	peyivat	peyuṣī	peyivāṃsi
Instrumental	peyuṣā	peyivadbhyām	peyivadbhiḥ
Dative	peyuṣe	peyivadbhyām	peyivadbhyaḥ
Ablative	peyuṣaḥ	peyivadbhyām	peyivadbhyaḥ
Genitive	peyuṣaḥ	peyuṣoḥ	peyuṣām
Locative	peyuṣi	peyuṣoḥ	peyivatsu

Compound peyivat -

Adverb -peyivas