Declension table of ?sunyasta

Neuter	Singular	Dual	Plural
Nominative	sunyastam	sunyaste	sunyastāni
Vocative	sunyasta	sunyaste	sunyastāni
Accusative	sunyastam	sunyaste	sunyastāni
Instrumental	sunyastena	sunyastābhyām	sunyastaiḥ
Dative	sunyastāya	sunyastābhyām	sunyastebhyaḥ
Ablative	sunyastāt	sunyastābhyām	sunyastebhyaḥ
Genitive	sunyastasya	sunyastayoḥ	sunyastānām
Locative	sunyaste	sunyastayoḥ	sunyasteṣu

Compound sunyasta -

Adverb -sunyastam -sunyastāt