Declension table of ?tarbitavya

Neuter	Singular	Dual	Plural
Nominative	tarbitavyam	tarbitavye	tarbitavyāni
Vocative	tarbitavya	tarbitavye	tarbitavyāni
Accusative	tarbitavyam	tarbitavye	tarbitavyāni
Instrumental	tarbitavyena	tarbitavyābhyām	tarbitavyaiḥ
Dative	tarbitavyāya	tarbitavyābhyām	tarbitavyebhyaḥ
Ablative	tarbitavyāt	tarbitavyābhyām	tarbitavyebhyaḥ
Genitive	tarbitavyasya	tarbitavyayoḥ	tarbitavyānām
Locative	tarbitavye	tarbitavyayoḥ	tarbitavyeṣu

Compound tarbitavya -

Adverb -tarbitavyam -tarbitavyāt