Declension table of ?reyivas

Neuter	Singular	Dual	Plural
Nominative	reyivat	reyuṣī	reyivāṃsi
Vocative	reyivat	reyuṣī	reyivāṃsi
Accusative	reyivat	reyuṣī	reyivāṃsi
Instrumental	reyuṣā	reyivadbhyām	reyivadbhiḥ
Dative	reyuṣe	reyivadbhyām	reyivadbhyaḥ
Ablative	reyuṣaḥ	reyivadbhyām	reyivadbhyaḥ
Genitive	reyuṣaḥ	reyuṣoḥ	reyuṣām
Locative	reyuṣi	reyuṣoḥ	reyivatsu

Compound reyivat -

Adverb -reyivas