Declension table of ?mahāsvara

Masculine	Singular	Dual	Plural
Nominative	mahāsvaraḥ	mahāsvarau	mahāsvarāḥ
Vocative	mahāsvara	mahāsvarau	mahāsvarāḥ
Accusative	mahāsvaram	mahāsvarau	mahāsvarān
Instrumental	mahāsvareṇa	mahāsvarābhyām	mahāsvaraiḥ
Dative	mahāsvarāya	mahāsvarābhyām	mahāsvarebhyaḥ
Ablative	mahāsvarāt	mahāsvarābhyām	mahāsvarebhyaḥ
Genitive	mahāsvarasya	mahāsvarayoḥ	mahāsvarāṇām
Locative	mahāsvare	mahāsvarayoḥ	mahāsvareṣu

Compound mahāsvara -

Adverb -mahāsvaram -mahāsvarāt