Declension table of ?śūnyahṛdayatva

Neuter	Singular	Dual	Plural
Nominative	śūnyahṛdayatvam	śūnyahṛdayatve	śūnyahṛdayatvāni
Vocative	śūnyahṛdayatva	śūnyahṛdayatve	śūnyahṛdayatvāni
Accusative	śūnyahṛdayatvam	śūnyahṛdayatve	śūnyahṛdayatvāni
Instrumental	śūnyahṛdayatvena	śūnyahṛdayatvābhyām	śūnyahṛdayatvaiḥ
Dative	śūnyahṛdayatvāya	śūnyahṛdayatvābhyām	śūnyahṛdayatvebhyaḥ
Ablative	śūnyahṛdayatvāt	śūnyahṛdayatvābhyām	śūnyahṛdayatvebhyaḥ
Genitive	śūnyahṛdayatvasya	śūnyahṛdayatvayoḥ	śūnyahṛdayatvānām
Locative	śūnyahṛdayatve	śūnyahṛdayatvayoḥ	śūnyahṛdayatveṣu

Compound śūnyahṛdayatva -

Adverb -śūnyahṛdayatvam -śūnyahṛdayatvāt