Declension table of ?nāraka

Neuter	Singular	Dual	Plural
Nominative	nārakam	nārake	nārakāṇi
Vocative	nāraka	nārake	nārakāṇi
Accusative	nārakam	nārake	nārakāṇi
Instrumental	nārakeṇa	nārakābhyām	nārakaiḥ
Dative	nārakāya	nārakābhyām	nārakebhyaḥ
Ablative	nārakāt	nārakābhyām	nārakebhyaḥ
Genitive	nārakasya	nārakayoḥ	nārakāṇām
Locative	nārake	nārakayoḥ	nārakeṣu

Compound nāraka -

Adverb -nārakam -nārakāt