Declension table of virodha

Masculine	Singular	Dual	Plural
Nominative	virodhaḥ	virodhau	virodhāḥ
Vocative	virodha	virodhau	virodhāḥ
Accusative	virodham	virodhau	virodhān
Instrumental	virodhena	virodhābhyām	virodhaiḥ virodhebhiḥ
Dative	virodhāya	virodhābhyām	virodhebhyaḥ
Ablative	virodhāt	virodhābhyām	virodhebhyaḥ
Genitive	virodhasya	virodhayoḥ	virodhānām
Locative	virodhe	virodhayoḥ	virodheṣu

Compound virodha -

Adverb -virodham -virodhāt