Declension table of ?mahāyava

Masculine	Singular	Dual	Plural
Nominative	mahāyavaḥ	mahāyavau	mahāyavāḥ
Vocative	mahāyava	mahāyavau	mahāyavāḥ
Accusative	mahāyavam	mahāyavau	mahāyavān
Instrumental	mahāyavena	mahāyavābhyām	mahāyavaiḥ mahāyavebhiḥ
Dative	mahāyavāya	mahāyavābhyām	mahāyavebhyaḥ
Ablative	mahāyavāt	mahāyavābhyām	mahāyavebhyaḥ
Genitive	mahāyavasya	mahāyavayoḥ	mahāyavānām
Locative	mahāyave	mahāyavayoḥ	mahāyaveṣu

Compound mahāyava -

Adverb -mahāyavam -mahāyavāt