Declension table of vastuśāstra

Neuter	Singular	Dual	Plural
Nominative	vastuśāstram	vastuśāstre	vastuśāstrāṇi
Vocative	vastuśāstra	vastuśāstre	vastuśāstrāṇi
Accusative	vastuśāstram	vastuśāstre	vastuśāstrāṇi
Instrumental	vastuśāstreṇa	vastuśāstrābhyām	vastuśāstraiḥ
Dative	vastuśāstrāya	vastuśāstrābhyām	vastuśāstrebhyaḥ
Ablative	vastuśāstrāt	vastuśāstrābhyām	vastuśāstrebhyaḥ
Genitive	vastuśāstrasya	vastuśāstrayoḥ	vastuśāstrāṇām
Locative	vastuśāstre	vastuśāstrayoḥ	vastuśāstreṣu

Compound vastuśāstra -

Adverb -vastuśāstram -vastuśāstrāt