Declension table of ?kaśitavya

Neuter	Singular	Dual	Plural
Nominative	kaśitavyam	kaśitavye	kaśitavyāni
Vocative	kaśitavya	kaśitavye	kaśitavyāni
Accusative	kaśitavyam	kaśitavye	kaśitavyāni
Instrumental	kaśitavyena	kaśitavyābhyām	kaśitavyaiḥ
Dative	kaśitavyāya	kaśitavyābhyām	kaśitavyebhyaḥ
Ablative	kaśitavyāt	kaśitavyābhyām	kaśitavyebhyaḥ
Genitive	kaśitavyasya	kaśitavyayoḥ	kaśitavyānām
Locative	kaśitavye	kaśitavyayoḥ	kaśitavyeṣu

Compound kaśitavya -

Adverb -kaśitavyam -kaśitavyāt