Declension table of ?copitavya

Masculine	Singular	Dual	Plural
Nominative	copitavyaḥ	copitavyau	copitavyāḥ
Vocative	copitavya	copitavyau	copitavyāḥ
Accusative	copitavyam	copitavyau	copitavyān
Instrumental	copitavyena	copitavyābhyām	copitavyaiḥ copitavyebhiḥ
Dative	copitavyāya	copitavyābhyām	copitavyebhyaḥ
Ablative	copitavyāt	copitavyābhyām	copitavyebhyaḥ
Genitive	copitavyasya	copitavyayoḥ	copitavyānām
Locative	copitavye	copitavyayoḥ	copitavyeṣu

Compound copitavya -

Adverb -copitavyam -copitavyāt