Declension table of ?vīrudha

Neuter	Singular	Dual	Plural
Nominative	vīrudham	vīrudhe	vīrudhāni
Vocative	vīrudha	vīrudhe	vīrudhāni
Accusative	vīrudham	vīrudhe	vīrudhāni
Instrumental	vīrudhena	vīrudhābhyām	vīrudhaiḥ
Dative	vīrudhāya	vīrudhābhyām	vīrudhebhyaḥ
Ablative	vīrudhāt	vīrudhābhyām	vīrudhebhyaḥ
Genitive	vīrudhasya	vīrudhayoḥ	vīrudhānām
Locative	vīrudhe	vīrudhayoḥ	vīrudheṣu

Compound vīrudha -

Adverb -vīrudham -vīrudhāt