Declension table of ?brahmārka

Masculine	Singular	Dual	Plural
Nominative	brahmārkaḥ	brahmārkau	brahmārkāḥ
Vocative	brahmārka	brahmārkau	brahmārkāḥ
Accusative	brahmārkam	brahmārkau	brahmārkān
Instrumental	brahmārkeṇa	brahmārkābhyām	brahmārkaiḥ brahmārkebhiḥ
Dative	brahmārkāya	brahmārkābhyām	brahmārkebhyaḥ
Ablative	brahmārkāt	brahmārkābhyām	brahmārkebhyaḥ
Genitive	brahmārkasya	brahmārkayoḥ	brahmārkāṇām
Locative	brahmārke	brahmārkayoḥ	brahmārkeṣu

Compound brahmārka -

Adverb -brahmārkam -brahmārkāt