Declension table of ?barbitavya

Neuter	Singular	Dual	Plural
Nominative	barbitavyam	barbitavye	barbitavyāni
Vocative	barbitavya	barbitavye	barbitavyāni
Accusative	barbitavyam	barbitavye	barbitavyāni
Instrumental	barbitavyena	barbitavyābhyām	barbitavyaiḥ
Dative	barbitavyāya	barbitavyābhyām	barbitavyebhyaḥ
Ablative	barbitavyāt	barbitavyābhyām	barbitavyebhyaḥ
Genitive	barbitavyasya	barbitavyayoḥ	barbitavyānām
Locative	barbitavye	barbitavyayoḥ	barbitavyeṣu

Compound barbitavya -

Adverb -barbitavyam -barbitavyāt