Declension table of ?brahmāstrakavaca

Neuter	Singular	Dual	Plural
Nominative	brahmāstrakavacam	brahmāstrakavace	brahmāstrakavacāni
Vocative	brahmāstrakavaca	brahmāstrakavace	brahmāstrakavacāni
Accusative	brahmāstrakavacam	brahmāstrakavace	brahmāstrakavacāni
Instrumental	brahmāstrakavacena	brahmāstrakavacābhyām	brahmāstrakavacaiḥ
Dative	brahmāstrakavacāya	brahmāstrakavacābhyām	brahmāstrakavacebhyaḥ
Ablative	brahmāstrakavacāt	brahmāstrakavacābhyām	brahmāstrakavacebhyaḥ
Genitive	brahmāstrakavacasya	brahmāstrakavacayoḥ	brahmāstrakavacānām
Locative	brahmāstrakavace	brahmāstrakavacayoḥ	brahmāstrakavaceṣu

Compound brahmāstrakavaca -

Adverb -brahmāstrakavacam -brahmāstrakavacāt