Declension table of ?bṛhaspatitantra

Neuter	Singular	Dual	Plural
Nominative	bṛhaspatitantram	bṛhaspatitantre	bṛhaspatitantrāṇi
Vocative	bṛhaspatitantra	bṛhaspatitantre	bṛhaspatitantrāṇi
Accusative	bṛhaspatitantram	bṛhaspatitantre	bṛhaspatitantrāṇi
Instrumental	bṛhaspatitantreṇa	bṛhaspatitantrābhyām	bṛhaspatitantraiḥ
Dative	bṛhaspatitantrāya	bṛhaspatitantrābhyām	bṛhaspatitantrebhyaḥ
Ablative	bṛhaspatitantrāt	bṛhaspatitantrābhyām	bṛhaspatitantrebhyaḥ
Genitive	bṛhaspatitantrasya	bṛhaspatitantrayoḥ	bṛhaspatitantrāṇām
Locative	bṛhaspatitantre	bṛhaspatitantrayoḥ	bṛhaspatitantreṣu

Compound bṛhaspatitantra -

Adverb -bṛhaspatitantram -bṛhaspatitantrāt