Declension table of ?vaiśasya

Neuter	Singular	Dual	Plural
Nominative	vaiśasyam	vaiśasye	vaiśasyāni
Vocative	vaiśasya	vaiśasye	vaiśasyāni
Accusative	vaiśasyam	vaiśasye	vaiśasyāni
Instrumental	vaiśasyena	vaiśasyābhyām	vaiśasyaiḥ
Dative	vaiśasyāya	vaiśasyābhyām	vaiśasyebhyaḥ
Ablative	vaiśasyāt	vaiśasyābhyām	vaiśasyebhyaḥ
Genitive	vaiśasyasya	vaiśasyayoḥ	vaiśasyānām
Locative	vaiśasye	vaiśasyayoḥ	vaiśasyeṣu

Compound vaiśasya -

Adverb -vaiśasyam -vaiśasyāt