Declension table of ?mahāśaṅkha

Neuter	Singular	Dual	Plural
Nominative	mahāśaṅkham	mahāśaṅkhe	mahāśaṅkhāni
Vocative	mahāśaṅkha	mahāśaṅkhe	mahāśaṅkhāni
Accusative	mahāśaṅkham	mahāśaṅkhe	mahāśaṅkhāni
Instrumental	mahāśaṅkhena	mahāśaṅkhābhyām	mahāśaṅkhaiḥ
Dative	mahāśaṅkhāya	mahāśaṅkhābhyām	mahāśaṅkhebhyaḥ
Ablative	mahāśaṅkhāt	mahāśaṅkhābhyām	mahāśaṅkhebhyaḥ
Genitive	mahāśaṅkhasya	mahāśaṅkhayoḥ	mahāśaṅkhānām
Locative	mahāśaṅkhe	mahāśaṅkhayoḥ	mahāśaṅkheṣu

Compound mahāśaṅkha -

Adverb -mahāśaṅkham -mahāśaṅkhāt