Declension table of ?vasiṣṭhatva

Neuter	Singular	Dual	Plural
Nominative	vasiṣṭhatvam	vasiṣṭhatve	vasiṣṭhatvāni
Vocative	vasiṣṭhatva	vasiṣṭhatve	vasiṣṭhatvāni
Accusative	vasiṣṭhatvam	vasiṣṭhatve	vasiṣṭhatvāni
Instrumental	vasiṣṭhatvena	vasiṣṭhatvābhyām	vasiṣṭhatvaiḥ
Dative	vasiṣṭhatvāya	vasiṣṭhatvābhyām	vasiṣṭhatvebhyaḥ
Ablative	vasiṣṭhatvāt	vasiṣṭhatvābhyām	vasiṣṭhatvebhyaḥ
Genitive	vasiṣṭhatvasya	vasiṣṭhatvayoḥ	vasiṣṭhatvānām
Locative	vasiṣṭhatve	vasiṣṭhatvayoḥ	vasiṣṭhatveṣu

Compound vasiṣṭhatva -

Adverb -vasiṣṭhatvam -vasiṣṭhatvāt