Declension table of ?vastudharmatva

Neuter	Singular	Dual	Plural
Nominative	vastudharmatvam	vastudharmatve	vastudharmatvāni
Vocative	vastudharmatva	vastudharmatve	vastudharmatvāni
Accusative	vastudharmatvam	vastudharmatve	vastudharmatvāni
Instrumental	vastudharmatvena	vastudharmatvābhyām	vastudharmatvaiḥ
Dative	vastudharmatvāya	vastudharmatvābhyām	vastudharmatvebhyaḥ
Ablative	vastudharmatvāt	vastudharmatvābhyām	vastudharmatvebhyaḥ
Genitive	vastudharmatvasya	vastudharmatvayoḥ	vastudharmatvānām
Locative	vastudharmatve	vastudharmatvayoḥ	vastudharmatveṣu

Compound vastudharmatva -

Adverb -vastudharmatvam -vastudharmatvāt