Declension table of vaśyatva

Neuter	Singular	Dual	Plural
Nominative	vaśyatvam	vaśyatve	vaśyatvāni
Vocative	vaśyatva	vaśyatve	vaśyatvāni
Accusative	vaśyatvam	vaśyatve	vaśyatvāni
Instrumental	vaśyatvena	vaśyatvābhyām	vaśyatvaiḥ
Dative	vaśyatvāya	vaśyatvābhyām	vaśyatvebhyaḥ
Ablative	vaśyatvāt	vaśyatvābhyām	vaśyatvebhyaḥ
Genitive	vaśyatvasya	vaśyatvayoḥ	vaśyatvānām
Locative	vaśyatve	vaśyatvayoḥ	vaśyatveṣu

Compound vaśyatva -

Adverb -vaśyatvam -vaśyatvāt