Declension table of ?nirvaktavya

Masculine	Singular	Dual	Plural
Nominative	nirvaktavyaḥ	nirvaktavyau	nirvaktavyāḥ
Vocative	nirvaktavya	nirvaktavyau	nirvaktavyāḥ
Accusative	nirvaktavyam	nirvaktavyau	nirvaktavyān
Instrumental	nirvaktavyena	nirvaktavyābhyām	nirvaktavyaiḥ nirvaktavyebhiḥ
Dative	nirvaktavyāya	nirvaktavyābhyām	nirvaktavyebhyaḥ
Ablative	nirvaktavyāt	nirvaktavyābhyām	nirvaktavyebhyaḥ
Genitive	nirvaktavyasya	nirvaktavyayoḥ	nirvaktavyānām
Locative	nirvaktavye	nirvaktavyayoḥ	nirvaktavyeṣu

Compound nirvaktavya -

Adverb -nirvaktavyam -nirvaktavyāt