Declension table of ?bṛhatkṣetra

Masculine	Singular	Dual	Plural
Nominative	bṛhatkṣetraḥ	bṛhatkṣetrau	bṛhatkṣetrāḥ
Vocative	bṛhatkṣetra	bṛhatkṣetrau	bṛhatkṣetrāḥ
Accusative	bṛhatkṣetram	bṛhatkṣetrau	bṛhatkṣetrān
Instrumental	bṛhatkṣetreṇa	bṛhatkṣetrābhyām	bṛhatkṣetraiḥ bṛhatkṣetrebhiḥ
Dative	bṛhatkṣetrāya	bṛhatkṣetrābhyām	bṛhatkṣetrebhyaḥ
Ablative	bṛhatkṣetrāt	bṛhatkṣetrābhyām	bṛhatkṣetrebhyaḥ
Genitive	bṛhatkṣetrasya	bṛhatkṣetrayoḥ	bṛhatkṣetrāṇām
Locative	bṛhatkṣetre	bṛhatkṣetrayoḥ	bṛhatkṣetreṣu

Compound bṛhatkṣetra -

Adverb -bṛhatkṣetram -bṛhatkṣetrāt