Declension table of ?champayitavya

Neuter	Singular	Dual	Plural
Nominative	champayitavyam	champayitavye	champayitavyāni
Vocative	champayitavya	champayitavye	champayitavyāni
Accusative	champayitavyam	champayitavye	champayitavyāni
Instrumental	champayitavyena	champayitavyābhyām	champayitavyaiḥ
Dative	champayitavyāya	champayitavyābhyām	champayitavyebhyaḥ
Ablative	champayitavyāt	champayitavyābhyām	champayitavyebhyaḥ
Genitive	champayitavyasya	champayitavyayoḥ	champayitavyānām
Locative	champayitavye	champayitavyayoḥ	champayitavyeṣu

Compound champayitavya -

Adverb -champayitavyam -champayitavyāt