Declension table of ?śūnatva

Neuter	Singular	Dual	Plural
Nominative	śūnatvam	śūnatve	śūnatvāni
Vocative	śūnatva	śūnatve	śūnatvāni
Accusative	śūnatvam	śūnatve	śūnatvāni
Instrumental	śūnatvena	śūnatvābhyām	śūnatvaiḥ
Dative	śūnatvāya	śūnatvābhyām	śūnatvebhyaḥ
Ablative	śūnatvāt	śūnatvābhyām	śūnatvebhyaḥ
Genitive	śūnatvasya	śūnatvayoḥ	śūnatvānām
Locative	śūnatve	śūnatvayoḥ	śūnatveṣu

Compound śūnatva -

Adverb -śūnatvam -śūnatvāt