Declension table of ?reśitavya

Neuter	Singular	Dual	Plural
Nominative	reśitavyam	reśitavye	reśitavyāni
Vocative	reśitavya	reśitavye	reśitavyāni
Accusative	reśitavyam	reśitavye	reśitavyāni
Instrumental	reśitavyena	reśitavyābhyām	reśitavyaiḥ
Dative	reśitavyāya	reśitavyābhyām	reśitavyebhyaḥ
Ablative	reśitavyāt	reśitavyābhyām	reśitavyebhyaḥ
Genitive	reśitavyasya	reśitavyayoḥ	reśitavyānām
Locative	reśitavye	reśitavyayoḥ	reśitavyeṣu

Compound reśitavya -

Adverb -reśitavyam -reśitavyāt