Declension table of ?narka

Neuter	Singular	Dual	Plural
Nominative	narkam	narke	narkāṇi
Vocative	narka	narke	narkāṇi
Accusative	narkam	narke	narkāṇi
Instrumental	narkeṇa	narkābhyām	narkaiḥ
Dative	narkāya	narkābhyām	narkebhyaḥ
Ablative	narkāt	narkābhyām	narkebhyaḥ
Genitive	narkasya	narkayoḥ	narkāṇām
Locative	narke	narkayoḥ	narkeṣu

Compound narka -

Adverb -narkam -narkāt