Declension table of ?svāyudha

Masculine	Singular	Dual	Plural
Nominative	svāyudhaḥ	svāyudhau	svāyudhāḥ
Vocative	svāyudha	svāyudhau	svāyudhāḥ
Accusative	svāyudham	svāyudhau	svāyudhān
Instrumental	svāyudhena	svāyudhābhyām	svāyudhaiḥ svāyudhebhiḥ
Dative	svāyudhāya	svāyudhābhyām	svāyudhebhyaḥ
Ablative	svāyudhāt	svāyudhābhyām	svāyudhebhyaḥ
Genitive	svāyudhasya	svāyudhayoḥ	svāyudhānām
Locative	svāyudhe	svāyudhayoḥ	svāyudheṣu

Compound svāyudha -

Adverb -svāyudham -svāyudhāt