Declension table of ?mahāvajraka

Neuter	Singular	Dual	Plural
Nominative	mahāvajrakam	mahāvajrake	mahāvajrakāṇi
Vocative	mahāvajraka	mahāvajrake	mahāvajrakāṇi
Accusative	mahāvajrakam	mahāvajrake	mahāvajrakāṇi
Instrumental	mahāvajrakeṇa	mahāvajrakābhyām	mahāvajrakaiḥ
Dative	mahāvajrakāya	mahāvajrakābhyām	mahāvajrakebhyaḥ
Ablative	mahāvajrakāt	mahāvajrakābhyām	mahāvajrakebhyaḥ
Genitive	mahāvajrakasya	mahāvajrakayoḥ	mahāvajrakāṇām
Locative	mahāvajrake	mahāvajrakayoḥ	mahāvajrakeṣu

Compound mahāvajraka -

Adverb -mahāvajrakam -mahāvajrakāt