Declension table of tantraka

Neuter	Singular	Dual	Plural
Nominative	tantrakam	tantrake	tantrakāṇi
Vocative	tantraka	tantrake	tantrakāṇi
Accusative	tantrakam	tantrake	tantrakāṇi
Instrumental	tantrakeṇa	tantrakābhyām	tantrakaiḥ
Dative	tantrakāya	tantrakābhyām	tantrakebhyaḥ
Ablative	tantrakāt	tantrakābhyām	tantrakebhyaḥ
Genitive	tantrakasya	tantrakayoḥ	tantrakāṇām
Locative	tantrake	tantrakayoḥ	tantrakeṣu

Compound tantraka -

Adverb -tantrakam -tantrakāt