Declension table of ?vaitastya

Masculine	Singular	Dual	Plural
Nominative	vaitastyaḥ	vaitastyau	vaitastyāḥ
Vocative	vaitastya	vaitastyau	vaitastyāḥ
Accusative	vaitastyam	vaitastyau	vaitastyān
Instrumental	vaitastyena	vaitastyābhyām	vaitastyaiḥ vaitastyebhiḥ
Dative	vaitastyāya	vaitastyābhyām	vaitastyebhyaḥ
Ablative	vaitastyāt	vaitastyābhyām	vaitastyebhyaḥ
Genitive	vaitastyasya	vaitastyayoḥ	vaitastyānām
Locative	vaitastye	vaitastyayoḥ	vaitastyeṣu

Compound vaitastya -

Adverb -vaitastyam -vaitastyāt