Declension table of rudra

Neuter	Singular	Dual	Plural
Nominative	rudram	rudre	rudrāṇi
Vocative	rudra	rudre	rudrāṇi
Accusative	rudram	rudre	rudrāṇi
Instrumental	rudreṇa	rudrābhyām	rudraiḥ
Dative	rudrāya	rudrābhyām	rudrebhyaḥ
Ablative	rudrāt	rudrābhyām	rudrebhyaḥ
Genitive	rudrasya	rudrayoḥ	rudrāṇām
Locative	rudre	rudrayoḥ	rudreṣu

Compound rudra -

Adverb -rudram -rudrāt