Declension table of ?vivyathvas

Masculine	Singular	Dual	Plural
Nominative	vivyathvān	vivyathvāṃsau	vivyathvāṃsaḥ
Vocative	vivyathvan	vivyathvāṃsau	vivyathvāṃsaḥ
Accusative	vivyathvāṃsam	vivyathvāṃsau	vivyathuṣaḥ
Instrumental	vivyathuṣā	vivyathvadbhyām	vivyathvadbhiḥ
Dative	vivyathuṣe	vivyathvadbhyām	vivyathvadbhyaḥ
Ablative	vivyathuṣaḥ	vivyathvadbhyām	vivyathvadbhyaḥ
Genitive	vivyathuṣaḥ	vivyathuṣoḥ	vivyathuṣām
Locative	vivyathuṣi	vivyathuṣoḥ	vivyathvatsu

Compound vivyathvat -

Adverb -vivyathvas