Declension table of avaktavya

Masculine	Singular	Dual	Plural
Nominative	avaktavyaḥ	avaktavyau	avaktavyāḥ
Vocative	avaktavya	avaktavyau	avaktavyāḥ
Accusative	avaktavyam	avaktavyau	avaktavyān
Instrumental	avaktavyena	avaktavyābhyām	avaktavyaiḥ avaktavyebhiḥ
Dative	avaktavyāya	avaktavyābhyām	avaktavyebhyaḥ
Ablative	avaktavyāt	avaktavyābhyām	avaktavyebhyaḥ
Genitive	avaktavyasya	avaktavyayoḥ	avaktavyānām
Locative	avaktavye	avaktavyayoḥ	avaktavyeṣu

Compound avaktavya -

Adverb -avaktavyam -avaktavyāt