Declension table of ?vaitastya

Neuter	Singular	Dual	Plural
Nominative	vaitastyam	vaitastye	vaitastyāni
Vocative	vaitastya	vaitastye	vaitastyāni
Accusative	vaitastyam	vaitastye	vaitastyāni
Instrumental	vaitastyena	vaitastyābhyām	vaitastyaiḥ
Dative	vaitastyāya	vaitastyābhyām	vaitastyebhyaḥ
Ablative	vaitastyāt	vaitastyābhyām	vaitastyebhyaḥ
Genitive	vaitastyasya	vaitastyayoḥ	vaitastyānām
Locative	vaitastye	vaitastyayoḥ	vaitastyeṣu

Compound vaitastya -

Adverb -vaitastyam -vaitastyāt