Declension table of ?mahāśana

Neuter	Singular	Dual	Plural
Nominative	mahāśanam	mahāśane	mahāśanāni
Vocative	mahāśana	mahāśane	mahāśanāni
Accusative	mahāśanam	mahāśane	mahāśanāni
Instrumental	mahāśanena	mahāśanābhyām	mahāśanaiḥ
Dative	mahāśanāya	mahāśanābhyām	mahāśanebhyaḥ
Ablative	mahāśanāt	mahāśanābhyām	mahāśanebhyaḥ
Genitive	mahāśanasya	mahāśanayoḥ	mahāśanānām
Locative	mahāśane	mahāśanayoḥ	mahāśaneṣu

Compound mahāśana -

Adverb -mahāśanam -mahāśanāt