Declension table of ?rudrāyatana

Neuter	Singular	Dual	Plural
Nominative	rudrāyatanam	rudrāyatane	rudrāyatanāni
Vocative	rudrāyatana	rudrāyatane	rudrāyatanāni
Accusative	rudrāyatanam	rudrāyatane	rudrāyatanāni
Instrumental	rudrāyatanena	rudrāyatanābhyām	rudrāyatanaiḥ
Dative	rudrāyatanāya	rudrāyatanābhyām	rudrāyatanebhyaḥ
Ablative	rudrāyatanāt	rudrāyatanābhyām	rudrāyatanebhyaḥ
Genitive	rudrāyatanasya	rudrāyatanayoḥ	rudrāyatanānām
Locative	rudrāyatane	rudrāyatanayoḥ	rudrāyataneṣu

Compound rudrāyatana -

Adverb -rudrāyatanam -rudrāyatanāt