Declension table of ?rarivas

Neuter	Singular	Dual	Plural
Nominative	rarivat	raruṣī	rarivāṃsi
Vocative	rarivat	raruṣī	rarivāṃsi
Accusative	rarivat	raruṣī	rarivāṃsi
Instrumental	raruṣā	rarivadbhyām	rarivadbhiḥ
Dative	raruṣe	rarivadbhyām	rarivadbhyaḥ
Ablative	raruṣaḥ	rarivadbhyām	rarivadbhyaḥ
Genitive	raruṣaḥ	raruṣoḥ	raruṣām
Locative	raruṣi	raruṣoḥ	rarivatsu

Compound rarivat -

Adverb -rarivas