Declension table of ?viva

Masculine	Singular	Dual	Plural
Nominative	vivaḥ	vivau	vivāḥ
Vocative	viva	vivau	vivāḥ
Accusative	vivam	vivau	vivān
Instrumental	vivena	vivābhyām	vivaiḥ vivebhiḥ
Dative	vivāya	vivābhyām	vivebhyaḥ
Ablative	vivāt	vivābhyām	vivebhyaḥ
Genitive	vivasya	vivayoḥ	vivānām
Locative	vive	vivayoḥ	viveṣu

Compound viva -

Adverb -vivam -vivāt