Declension table of ?mahāvasu

Masculine	Singular	Dual	Plural
Nominative	mahāvasuḥ	mahāvasū	mahāvasavaḥ
Vocative	mahāvaso	mahāvasū	mahāvasavaḥ
Accusative	mahāvasum	mahāvasū	mahāvasūn
Instrumental	mahāvasunā	mahāvasubhyām	mahāvasubhiḥ
Dative	mahāvasave	mahāvasubhyām	mahāvasubhyaḥ
Ablative	mahāvasoḥ	mahāvasubhyām	mahāvasubhyaḥ
Genitive	mahāvasoḥ	mahāvasvoḥ	mahāvasūnām
Locative	mahāvasau	mahāvasvoḥ	mahāvasuṣu

Compound mahāvasu -

Adverb -mahāvasu