Declension table of ?arbitavya

Neuter	Singular	Dual	Plural
Nominative	arbitavyam	arbitavye	arbitavyāni
Vocative	arbitavya	arbitavye	arbitavyāni
Accusative	arbitavyam	arbitavye	arbitavyāni
Instrumental	arbitavyena	arbitavyābhyām	arbitavyaiḥ
Dative	arbitavyāya	arbitavyābhyām	arbitavyebhyaḥ
Ablative	arbitavyāt	arbitavyābhyām	arbitavyebhyaḥ
Genitive	arbitavyasya	arbitavyayoḥ	arbitavyānām
Locative	arbitavye	arbitavyayoḥ	arbitavyeṣu

Compound arbitavya -

Adverb -arbitavyam -arbitavyāt