Declension table of ?manthitavya

Masculine	Singular	Dual	Plural
Nominative	manthitavyaḥ	manthitavyau	manthitavyāḥ
Vocative	manthitavya	manthitavyau	manthitavyāḥ
Accusative	manthitavyam	manthitavyau	manthitavyān
Instrumental	manthitavyena	manthitavyābhyām	manthitavyaiḥ manthitavyebhiḥ
Dative	manthitavyāya	manthitavyābhyām	manthitavyebhyaḥ
Ablative	manthitavyāt	manthitavyābhyām	manthitavyebhyaḥ
Genitive	manthitavyasya	manthitavyayoḥ	manthitavyānām
Locative	manthitavye	manthitavyayoḥ	manthitavyeṣu

Compound manthitavya -

Adverb -manthitavyam -manthitavyāt