Declension table of ?vyadhvan

Neuter	Singular	Dual	Plural
Nominative	vyadhva	vyadhvnī vyadhvanī	vyadhvāni
Vocative	vyadhvan vyadhva	vyadhvnī vyadhvanī	vyadhvāni
Accusative	vyadhva	vyadhvnī vyadhvanī	vyadhvāni
Instrumental	vyadhvanā	vyadhvabhyām	vyadhvabhiḥ
Dative	vyadhvane	vyadhvabhyām	vyadhvabhyaḥ
Ablative	vyadhvanaḥ	vyadhvabhyām	vyadhvabhyaḥ
Genitive	vyadhvanaḥ	vyadhvanoḥ	vyadhvanām
Locative	vyadhvani	vyadhvanoḥ	vyadhvasu

Compound vyadhva -

Adverb -vyadhva -vyadhvam