Declension table of ?vivithvas

Neuter	Singular	Dual	Plural
Nominative	vivithvat	vivithuṣī	vivithvāṃsi
Vocative	vivithvat	vivithuṣī	vivithvāṃsi
Accusative	vivithvat	vivithuṣī	vivithvāṃsi
Instrumental	vivithuṣā	vivithvadbhyām	vivithvadbhiḥ
Dative	vivithuṣe	vivithvadbhyām	vivithvadbhyaḥ
Ablative	vivithuṣaḥ	vivithvadbhyām	vivithvadbhyaḥ
Genitive	vivithuṣaḥ	vivithuṣoḥ	vivithuṣām
Locative	vivithuṣi	vivithuṣoḥ	vivithvatsu

Compound vivithvat -

Adverb -vivithvat