Declension table of ?mahādhvara

Masculine	Singular	Dual	Plural
Nominative	mahādhvaraḥ	mahādhvarau	mahādhvarāḥ
Vocative	mahādhvara	mahādhvarau	mahādhvarāḥ
Accusative	mahādhvaram	mahādhvarau	mahādhvarān
Instrumental	mahādhvareṇa	mahādhvarābhyām	mahādhvaraiḥ mahādhvarebhiḥ
Dative	mahādhvarāya	mahādhvarābhyām	mahādhvarebhyaḥ
Ablative	mahādhvarāt	mahādhvarābhyām	mahādhvarebhyaḥ
Genitive	mahādhvarasya	mahādhvarayoḥ	mahādhvarāṇām
Locative	mahādhvare	mahādhvarayoḥ	mahādhvareṣu

Compound mahādhvara -

Adverb -mahādhvaram -mahādhvarāt