Declension table of ?bṛhannāṭaka

Neuter	Singular	Dual	Plural
Nominative	bṛhannāṭakam	bṛhannāṭake	bṛhannāṭakāni
Vocative	bṛhannāṭaka	bṛhannāṭake	bṛhannāṭakāni
Accusative	bṛhannāṭakam	bṛhannāṭake	bṛhannāṭakāni
Instrumental	bṛhannāṭakena	bṛhannāṭakābhyām	bṛhannāṭakaiḥ
Dative	bṛhannāṭakāya	bṛhannāṭakābhyām	bṛhannāṭakebhyaḥ
Ablative	bṛhannāṭakāt	bṛhannāṭakābhyām	bṛhannāṭakebhyaḥ
Genitive	bṛhannāṭakasya	bṛhannāṭakayoḥ	bṛhannāṭakānām
Locative	bṛhannāṭake	bṛhannāṭakayoḥ	bṛhannāṭakeṣu

Compound bṛhannāṭaka -

Adverb -bṛhannāṭakam -bṛhannāṭakāt