Declension table of ?rudramahānyāsa

Masculine	Singular	Dual	Plural
Nominative	rudramahānyāsaḥ	rudramahānyāsau	rudramahānyāsāḥ
Vocative	rudramahānyāsa	rudramahānyāsau	rudramahānyāsāḥ
Accusative	rudramahānyāsam	rudramahānyāsau	rudramahānyāsān
Instrumental	rudramahānyāsena	rudramahānyāsābhyām	rudramahānyāsaiḥ rudramahānyāsebhiḥ
Dative	rudramahānyāsāya	rudramahānyāsābhyām	rudramahānyāsebhyaḥ
Ablative	rudramahānyāsāt	rudramahānyāsābhyām	rudramahānyāsebhyaḥ
Genitive	rudramahānyāsasya	rudramahānyāsayoḥ	rudramahānyāsānām
Locative	rudramahānyāse	rudramahānyāsayoḥ	rudramahānyāseṣu

Compound rudramahānyāsa -

Adverb -rudramahānyāsam -rudramahānyāsāt