Declension table of ?mahānaraka

Masculine	Singular	Dual	Plural
Nominative	mahānarakaḥ	mahānarakau	mahānarakāḥ
Vocative	mahānaraka	mahānarakau	mahānarakāḥ
Accusative	mahānarakam	mahānarakau	mahānarakān
Instrumental	mahānarakeṇa	mahānarakābhyām	mahānarakaiḥ mahānarakebhiḥ
Dative	mahānarakāya	mahānarakābhyām	mahānarakebhyaḥ
Ablative	mahānarakāt	mahānarakābhyām	mahānarakebhyaḥ
Genitive	mahānarakasya	mahānarakayoḥ	mahānarakāṇām
Locative	mahānarake	mahānarakayoḥ	mahānarakeṣu

Compound mahānaraka -

Adverb -mahānarakam -mahānarakāt