Declension table of ?mahāvega

Masculine	Singular	Dual	Plural
Nominative	mahāvegaḥ	mahāvegau	mahāvegāḥ
Vocative	mahāvega	mahāvegau	mahāvegāḥ
Accusative	mahāvegam	mahāvegau	mahāvegān
Instrumental	mahāvegena	mahāvegābhyām	mahāvegaiḥ mahāvegebhiḥ
Dative	mahāvegāya	mahāvegābhyām	mahāvegebhyaḥ
Ablative	mahāvegāt	mahāvegābhyām	mahāvegebhyaḥ
Genitive	mahāvegasya	mahāvegayoḥ	mahāvegānām
Locative	mahāvege	mahāvegayoḥ	mahāvegeṣu

Compound mahāvega -

Adverb -mahāvegam -mahāvegāt