Declension table of ?mahāvega

Neuter	Singular	Dual	Plural
Nominative	mahāvegam	mahāvege	mahāvegāni
Vocative	mahāvega	mahāvege	mahāvegāni
Accusative	mahāvegam	mahāvege	mahāvegāni
Instrumental	mahāvegena	mahāvegābhyām	mahāvegaiḥ
Dative	mahāvegāya	mahāvegābhyām	mahāvegebhyaḥ
Ablative	mahāvegāt	mahāvegābhyām	mahāvegebhyaḥ
Genitive	mahāvegasya	mahāvegayoḥ	mahāvegānām
Locative	mahāvege	mahāvegayoḥ	mahāvegeṣu

Compound mahāvega -

Adverb -mahāvegam -mahāvegāt