Declension table of ?vṛṣatva

Neuter	Singular	Dual	Plural
Nominative	vṛṣatvam	vṛṣatve	vṛṣatvāni
Vocative	vṛṣatva	vṛṣatve	vṛṣatvāni
Accusative	vṛṣatvam	vṛṣatve	vṛṣatvāni
Instrumental	vṛṣatvena	vṛṣatvābhyām	vṛṣatvaiḥ
Dative	vṛṣatvāya	vṛṣatvābhyām	vṛṣatvebhyaḥ
Ablative	vṛṣatvāt	vṛṣatvābhyām	vṛṣatvebhyaḥ
Genitive	vṛṣatvasya	vṛṣatvayoḥ	vṛṣatvānām
Locative	vṛṣatve	vṛṣatvayoḥ	vṛṣatveṣu

Compound vṛṣatva -

Adverb -vṛṣatvam -vṛṣatvāt