Declension table of ?ayudha

Masculine	Singular	Dual	Plural
Nominative	ayudhaḥ	ayudhau	ayudhāḥ
Vocative	ayudha	ayudhau	ayudhāḥ
Accusative	ayudham	ayudhau	ayudhān
Instrumental	ayudhena	ayudhābhyām	ayudhaiḥ ayudhebhiḥ
Dative	ayudhāya	ayudhābhyām	ayudhebhyaḥ
Ablative	ayudhāt	ayudhābhyām	ayudhebhyaḥ
Genitive	ayudhasya	ayudhayoḥ	ayudhānām
Locative	ayudhe	ayudhayoḥ	ayudheṣu

Compound ayudha -

Adverb -ayudham -ayudhāt