Declension table of mahāvastu

Neuter	Singular	Dual	Plural
Nominative	mahāvastu	mahāvastunī	mahāvastūni
Vocative	mahāvastu	mahāvastunī	mahāvastūni
Accusative	mahāvastu	mahāvastunī	mahāvastūni
Instrumental	mahāvastunā	mahāvastubhyām	mahāvastubhiḥ
Dative	mahāvastune	mahāvastubhyām	mahāvastubhyaḥ
Ablative	mahāvastunaḥ	mahāvastubhyām	mahāvastubhyaḥ
Genitive	mahāvastunaḥ	mahāvastunoḥ	mahāvastūnām
Locative	mahāvastuni	mahāvastunoḥ	mahāvastuṣu

Compound mahāvastu -

Adverb -mahāvastu