Declension table of ?mahāyudha

Masculine	Singular	Dual	Plural
Nominative	mahāyudhaḥ	mahāyudhau	mahāyudhāḥ
Vocative	mahāyudha	mahāyudhau	mahāyudhāḥ
Accusative	mahāyudham	mahāyudhau	mahāyudhān
Instrumental	mahāyudhena	mahāyudhābhyām	mahāyudhaiḥ mahāyudhebhiḥ
Dative	mahāyudhāya	mahāyudhābhyām	mahāyudhebhyaḥ
Ablative	mahāyudhāt	mahāyudhābhyām	mahāyudhebhyaḥ
Genitive	mahāyudhasya	mahāyudhayoḥ	mahāyudhānām
Locative	mahāyudhe	mahāyudhayoḥ	mahāyudheṣu

Compound mahāyudha -

Adverb -mahāyudham -mahāyudhāt