Declension table of ?brahmavrata

Neuter	Singular	Dual	Plural
Nominative	brahmavratam	brahmavrate	brahmavratāni
Vocative	brahmavrata	brahmavrate	brahmavratāni
Accusative	brahmavratam	brahmavrate	brahmavratāni
Instrumental	brahmavratena	brahmavratābhyām	brahmavrataiḥ
Dative	brahmavratāya	brahmavratābhyām	brahmavratebhyaḥ
Ablative	brahmavratāt	brahmavratābhyām	brahmavratebhyaḥ
Genitive	brahmavratasya	brahmavratayoḥ	brahmavratānām
Locative	brahmavrate	brahmavratayoḥ	brahmavrateṣu

Compound brahmavrata -

Adverb -brahmavratam -brahmavratāt