Declension table of ?prātavya

Masculine	Singular	Dual	Plural
Nominative	prātavyaḥ	prātavyau	prātavyāḥ
Vocative	prātavya	prātavyau	prātavyāḥ
Accusative	prātavyam	prātavyau	prātavyān
Instrumental	prātavyena	prātavyābhyām	prātavyaiḥ prātavyebhiḥ
Dative	prātavyāya	prātavyābhyām	prātavyebhyaḥ
Ablative	prātavyāt	prātavyābhyām	prātavyebhyaḥ
Genitive	prātavyasya	prātavyayoḥ	prātavyānām
Locative	prātavye	prātavyayoḥ	prātavyeṣu

Compound prātavya -

Adverb -prātavyam -prātavyāt