Declension table of ?barbita

Neuter	Singular	Dual	Plural
Nominative	barbitam	barbite	barbitāni
Vocative	barbita	barbite	barbitāni
Accusative	barbitam	barbite	barbitāni
Instrumental	barbitena	barbitābhyām	barbitaiḥ
Dative	barbitāya	barbitābhyām	barbitebhyaḥ
Ablative	barbitāt	barbitābhyām	barbitebhyaḥ
Genitive	barbitasya	barbitayoḥ	barbitānām
Locative	barbite	barbitayoḥ	barbiteṣu

Compound barbita -

Adverb -barbitam -barbitāt