Declension table of ?bahvacka

Neuter	Singular	Dual	Plural
Nominative	bahvackam	bahvacke	bahvackāni
Vocative	bahvacka	bahvacke	bahvackāni
Accusative	bahvackam	bahvacke	bahvackāni
Instrumental	bahvackena	bahvackābhyām	bahvackaiḥ
Dative	bahvackāya	bahvackābhyām	bahvackebhyaḥ
Ablative	bahvackāt	bahvackābhyām	bahvackebhyaḥ
Genitive	bahvackasya	bahvackayoḥ	bahvackānām
Locative	bahvacke	bahvackayoḥ	bahvackeṣu

Compound bahvacka -

Adverb -bahvackam -bahvackāt