Declension table of ?vidradha

Masculine	Singular	Dual	Plural
Nominative	vidradhaḥ	vidradhau	vidradhāḥ
Vocative	vidradha	vidradhau	vidradhāḥ
Accusative	vidradham	vidradhau	vidradhān
Instrumental	vidradhena	vidradhābhyām	vidradhaiḥ vidradhebhiḥ
Dative	vidradhāya	vidradhābhyām	vidradhebhyaḥ
Ablative	vidradhāt	vidradhābhyām	vidradhebhyaḥ
Genitive	vidradhasya	vidradhayoḥ	vidradhānām
Locative	vidradhe	vidradhayoḥ	vidradheṣu

Compound vidradha -

Adverb -vidradham -vidradhāt