Declension table of ?mātavya

Masculine	Singular	Dual	Plural
Nominative	mātavyaḥ	mātavyau	mātavyāḥ
Vocative	mātavya	mātavyau	mātavyāḥ
Accusative	mātavyam	mātavyau	mātavyān
Instrumental	mātavyena	mātavyābhyām	mātavyaiḥ
Dative	mātavyāya	mātavyābhyām	mātavyebhyaḥ
Ablative	mātavyāt	mātavyābhyām	mātavyebhyaḥ
Genitive	mātavyasya	mātavyayoḥ	mātavyānām
Locative	mātavye	mātavyayoḥ	mātavyeṣu

Compound mātavya -

Adverb -mātavyam -mātavyāt