Declension table of ?kavitavya

Masculine	Singular	Dual	Plural
Nominative	kavitavyaḥ	kavitavyau	kavitavyāḥ
Vocative	kavitavya	kavitavyau	kavitavyāḥ
Accusative	kavitavyam	kavitavyau	kavitavyān
Instrumental	kavitavyena	kavitavyābhyām	kavitavyaiḥ kavitavyebhiḥ
Dative	kavitavyāya	kavitavyābhyām	kavitavyebhyaḥ
Ablative	kavitavyāt	kavitavyābhyām	kavitavyebhyaḥ
Genitive	kavitavyasya	kavitavyayoḥ	kavitavyānām
Locative	kavitavye	kavitavyayoḥ	kavitavyeṣu

Compound kavitavya -

Adverb -kavitavyam -kavitavyāt