Declension table of ?vivrīvas

Masculine	Singular	Dual	Plural
Nominative	vivrīvān	vivrīvāṃsau	vivrīvāṃsaḥ
Vocative	vivrīvan	vivrīvāṃsau	vivrīvāṃsaḥ
Accusative	vivrīvāṃsam	vivrīvāṃsau	vivryuṣaḥ
Instrumental	vivryuṣā	vivrīvadbhyām	vivrīvadbhiḥ
Dative	vivryuṣe	vivrīvadbhyām	vivrīvadbhyaḥ
Ablative	vivryuṣaḥ	vivrīvadbhyām	vivrīvadbhyaḥ
Genitive	vivryuṣaḥ	vivryuṣoḥ	vivryuṣām
Locative	vivryuṣi	vivryuṣoḥ	vivrīvatsu

Compound vivrīvat -

Adverb -vivrīvas