Declension table of ?bṛhadarka

Masculine	Singular	Dual	Plural
Nominative	bṛhadarkaḥ	bṛhadarkau	bṛhadarkāḥ
Vocative	bṛhadarka	bṛhadarkau	bṛhadarkāḥ
Accusative	bṛhadarkam	bṛhadarkau	bṛhadarkān
Instrumental	bṛhadarkeṇa	bṛhadarkābhyām	bṛhadarkaiḥ bṛhadarkebhiḥ
Dative	bṛhadarkāya	bṛhadarkābhyām	bṛhadarkebhyaḥ
Ablative	bṛhadarkāt	bṛhadarkābhyām	bṛhadarkebhyaḥ
Genitive	bṛhadarkasya	bṛhadarkayoḥ	bṛhadarkāṇām
Locative	bṛhadarke	bṛhadarkayoḥ	bṛhadarkeṣu

Compound bṛhadarka -

Adverb -bṛhadarkam -bṛhadarkāt