Declension table of ?vaiśastra

Neuter	Singular	Dual	Plural
Nominative	vaiśastram	vaiśastre	vaiśastrāṇi
Vocative	vaiśastra	vaiśastre	vaiśastrāṇi
Accusative	vaiśastram	vaiśastre	vaiśastrāṇi
Instrumental	vaiśastreṇa	vaiśastrābhyām	vaiśastraiḥ
Dative	vaiśastrāya	vaiśastrābhyām	vaiśastrebhyaḥ
Ablative	vaiśastrāt	vaiśastrābhyām	vaiśastrebhyaḥ
Genitive	vaiśastrasya	vaiśastrayoḥ	vaiśastrāṇām
Locative	vaiśastre	vaiśastrayoḥ	vaiśastreṣu

Compound vaiśastra -

Adverb -vaiśastram -vaiśastrāt