Declension table of ?amantraka

Neuter	Singular	Dual	Plural
Nominative	amantrakam	amantrake	amantrakāṇi
Vocative	amantraka	amantrake	amantrakāṇi
Accusative	amantrakam	amantrake	amantrakāṇi
Instrumental	amantrakeṇa	amantrakābhyām	amantrakaiḥ
Dative	amantrakāya	amantrakābhyām	amantrakebhyaḥ
Ablative	amantrakāt	amantrakābhyām	amantrakebhyaḥ
Genitive	amantrakasya	amantrakayoḥ	amantrakāṇām
Locative	amantrake	amantrakayoḥ	amantrakeṣu

Compound amantraka -

Adverb -amantrakam -amantrakāt