Declension table of ?brahmacakra

Neuter	Singular	Dual	Plural
Nominative	brahmacakram	brahmacakre	brahmacakrāṇi
Vocative	brahmacakra	brahmacakre	brahmacakrāṇi
Accusative	brahmacakram	brahmacakre	brahmacakrāṇi
Instrumental	brahmacakreṇa	brahmacakrābhyām	brahmacakraiḥ
Dative	brahmacakrāya	brahmacakrābhyām	brahmacakrebhyaḥ
Ablative	brahmacakrāt	brahmacakrābhyām	brahmacakrebhyaḥ
Genitive	brahmacakrasya	brahmacakrayoḥ	brahmacakrāṇām
Locative	brahmacakre	brahmacakrayoḥ	brahmacakreṣu

Compound brahmacakra -

Adverb -brahmacakram -brahmacakrāt