Declension table of ?vetavya

Neuter	Singular	Dual	Plural
Nominative	vetavyam	vetavye	vetavyāni
Vocative	vetavya	vetavye	vetavyāni
Accusative	vetavyam	vetavye	vetavyāni
Instrumental	vetavyena	vetavyābhyām	vetavyaiḥ
Dative	vetavyāya	vetavyābhyām	vetavyebhyaḥ
Ablative	vetavyāt	vetavyābhyām	vetavyebhyaḥ
Genitive	vetavyasya	vetavyayoḥ	vetavyānām
Locative	vetavye	vetavyayoḥ	vetavyeṣu

Compound vetavya -

Adverb -vetavyam -vetavyāt