Declension table of ?bṛhadbṛhaspati

Masculine	Singular	Dual	Plural
Nominative	bṛhadbṛhaspatiḥ	bṛhadbṛhaspatī	bṛhadbṛhaspatayaḥ
Vocative	bṛhadbṛhaspate	bṛhadbṛhaspatī	bṛhadbṛhaspatayaḥ
Accusative	bṛhadbṛhaspatim	bṛhadbṛhaspatī	bṛhadbṛhaspatīn
Instrumental	bṛhadbṛhaspatinā	bṛhadbṛhaspatibhyām	bṛhadbṛhaspatibhiḥ
Dative	bṛhadbṛhaspataye	bṛhadbṛhaspatibhyām	bṛhadbṛhaspatibhyaḥ
Ablative	bṛhadbṛhaspateḥ	bṛhadbṛhaspatibhyām	bṛhadbṛhaspatibhyaḥ
Genitive	bṛhadbṛhaspateḥ	bṛhadbṛhaspatyoḥ	bṛhadbṛhaspatīnām
Locative	bṛhadbṛhaspatau	bṛhadbṛhaspatyoḥ	bṛhadbṛhaspatiṣu

Compound bṛhadbṛhaspati -

Adverb -bṛhadbṛhaspati