Declension table of ?nigāraka

Neuter	Singular	Dual	Plural
Nominative	nigārakam	nigārake	nigārakāṇi
Vocative	nigāraka	nigārake	nigārakāṇi
Accusative	nigārakam	nigārake	nigārakāṇi
Instrumental	nigārakeṇa	nigārakābhyām	nigārakaiḥ
Dative	nigārakāya	nigārakābhyām	nigārakebhyaḥ
Ablative	nigārakāt	nigārakābhyām	nigārakebhyaḥ
Genitive	nigārakasya	nigārakayoḥ	nigārakāṇām
Locative	nigārake	nigārakayoḥ	nigārakeṣu

Compound nigāraka -

Adverb -nigārakam -nigārakāt