Declension table of ?bṛhatpattra

Masculine	Singular	Dual	Plural
Nominative	bṛhatpattraḥ	bṛhatpattrau	bṛhatpattrāḥ
Vocative	bṛhatpattra	bṛhatpattrau	bṛhatpattrāḥ
Accusative	bṛhatpattram	bṛhatpattrau	bṛhatpattrān
Instrumental	bṛhatpattreṇa	bṛhatpattrābhyām	bṛhatpattraiḥ bṛhatpattrebhiḥ
Dative	bṛhatpattrāya	bṛhatpattrābhyām	bṛhatpattrebhyaḥ
Ablative	bṛhatpattrāt	bṛhatpattrābhyām	bṛhatpattrebhyaḥ
Genitive	bṛhatpattrasya	bṛhatpattrayoḥ	bṛhatpattrāṇām
Locative	bṛhatpattre	bṛhatpattrayoḥ	bṛhatpattreṣu

Compound bṛhatpattra -

Adverb -bṛhatpattram -bṛhatpattrāt