Declension table of rudra

Masculine	Singular	Dual	Plural
Nominative	rudraḥ	rudrau	rudrāḥ
Vocative	rudra	rudrau	rudrāḥ
Accusative	rudram	rudrau	rudrān
Instrumental	rudreṇa	rudrābhyām	rudraiḥ rudrebhiḥ
Dative	rudrāya	rudrābhyām	rudrebhyaḥ
Ablative	rudrāt	rudrābhyām	rudrebhyaḥ
Genitive	rudrasya	rudrayoḥ	rudrāṇām
Locative	rudre	rudrayoḥ	rudreṣu

Compound rudra -

Adverb -rudram -rudrāt