Declension table of ?harirudra

Masculine	Singular	Dual	Plural
Nominative	harirudraḥ	harirudrau	harirudrāḥ
Vocative	harirudra	harirudrau	harirudrāḥ
Accusative	harirudram	harirudrau	harirudrān
Instrumental	harirudreṇa	harirudrābhyām	harirudraiḥ harirudrebhiḥ
Dative	harirudrāya	harirudrābhyām	harirudrebhyaḥ
Ablative	harirudrāt	harirudrābhyām	harirudrebhyaḥ
Genitive	harirudrasya	harirudrayoḥ	harirudrāṇām
Locative	harirudre	harirudrayoḥ	harirudreṣu

Compound harirudra -

Adverb -harirudram -harirudrāt