Declension table of ?mahāśāsana

Masculine	Singular	Dual	Plural
Nominative	mahāśāsanaḥ	mahāśāsanau	mahāśāsanāḥ
Vocative	mahāśāsana	mahāśāsanau	mahāśāsanāḥ
Accusative	mahāśāsanam	mahāśāsanau	mahāśāsanān
Instrumental	mahāśāsanena	mahāśāsanābhyām	mahāśāsanaiḥ mahāśāsanebhiḥ
Dative	mahāśāsanāya	mahāśāsanābhyām	mahāśāsanebhyaḥ
Ablative	mahāśāsanāt	mahāśāsanābhyām	mahāśāsanebhyaḥ
Genitive	mahāśāsanasya	mahāśāsanayoḥ	mahāśāsanānām
Locative	mahāśāsane	mahāśāsanayoḥ	mahāśāsaneṣu

Compound mahāśāsana -

Adverb -mahāśāsanam -mahāśāsanāt