Declension table of ?mahāga

Masculine	Singular	Dual	Plural
Nominative	mahāgaḥ	mahāgau	mahāgāḥ
Vocative	mahāga	mahāgau	mahāgāḥ
Accusative	mahāgam	mahāgau	mahāgān
Instrumental	mahāgena	mahāgābhyām	mahāgaiḥ mahāgebhiḥ
Dative	mahāgāya	mahāgābhyām	mahāgebhyaḥ
Ablative	mahāgāt	mahāgābhyām	mahāgebhyaḥ
Genitive	mahāgasya	mahāgayoḥ	mahāgānām
Locative	mahāge	mahāgayoḥ	mahāgeṣu

Compound mahāga -

Adverb -mahāgam -mahāgāt