Declension table of ?kampayitavya

Neuter	Singular	Dual	Plural
Nominative	kampayitavyam	kampayitavye	kampayitavyāni
Vocative	kampayitavya	kampayitavye	kampayitavyāni
Accusative	kampayitavyam	kampayitavye	kampayitavyāni
Instrumental	kampayitavyena	kampayitavyābhyām	kampayitavyaiḥ
Dative	kampayitavyāya	kampayitavyābhyām	kampayitavyebhyaḥ
Ablative	kampayitavyāt	kampayitavyābhyām	kampayitavyebhyaḥ
Genitive	kampayitavyasya	kampayitavyayoḥ	kampayitavyānām
Locative	kampayitavye	kampayitavyayoḥ	kampayitavyeṣu

Compound kampayitavya -

Adverb -kampayitavyam -kampayitavyāt