Declension table of ?bṛbūka

Neuter	Singular	Dual	Plural
Nominative	bṛbūkam	bṛbūke	bṛbūkāṇi
Vocative	bṛbūka	bṛbūke	bṛbūkāṇi
Accusative	bṛbūkam	bṛbūke	bṛbūkāṇi
Instrumental	bṛbūkeṇa	bṛbūkābhyām	bṛbūkaiḥ
Dative	bṛbūkāya	bṛbūkābhyām	bṛbūkebhyaḥ
Ablative	bṛbūkāt	bṛbūkābhyām	bṛbūkebhyaḥ
Genitive	bṛbūkasya	bṛbūkayoḥ	bṛbūkāṇām
Locative	bṛbūke	bṛbūkayoḥ	bṛbūkeṣu

Compound bṛbūka -

Adverb -bṛbūkam -bṛbūkāt