Declension table of ?trātavya

Masculine	Singular	Dual	Plural
Nominative	trātavyaḥ	trātavyau	trātavyāḥ
Vocative	trātavya	trātavyau	trātavyāḥ
Accusative	trātavyam	trātavyau	trātavyān
Instrumental	trātavyena	trātavyābhyām	trātavyaiḥ trātavyebhiḥ
Dative	trātavyāya	trātavyābhyām	trātavyebhyaḥ
Ablative	trātavyāt	trātavyābhyām	trātavyebhyaḥ
Genitive	trātavyasya	trātavyayoḥ	trātavyānām
Locative	trātavye	trātavyayoḥ	trātavyeṣu

Compound trātavya -

Adverb -trātavyam -trātavyāt