Declension table of ?śūnyaka

Neuter	Singular	Dual	Plural
Nominative	śūnyakam	śūnyake	śūnyakāni
Vocative	śūnyaka	śūnyake	śūnyakāni
Accusative	śūnyakam	śūnyake	śūnyakāni
Instrumental	śūnyakena	śūnyakābhyām	śūnyakaiḥ
Dative	śūnyakāya	śūnyakābhyām	śūnyakebhyaḥ
Ablative	śūnyakāt	śūnyakābhyām	śūnyakebhyaḥ
Genitive	śūnyakasya	śūnyakayoḥ	śūnyakānām
Locative	śūnyake	śūnyakayoḥ	śūnyakeṣu

Compound śūnyaka -

Adverb -śūnyakam -śūnyakāt