Declension table of ?sambhāvayitavya

Neuter	Singular	Dual	Plural
Nominative	sambhāvayitavyam	sambhāvayitavye	sambhāvayitavyāni
Vocative	sambhāvayitavya	sambhāvayitavye	sambhāvayitavyāni
Accusative	sambhāvayitavyam	sambhāvayitavye	sambhāvayitavyāni
Instrumental	sambhāvayitavyena	sambhāvayitavyābhyām	sambhāvayitavyaiḥ
Dative	sambhāvayitavyāya	sambhāvayitavyābhyām	sambhāvayitavyebhyaḥ
Ablative	sambhāvayitavyāt	sambhāvayitavyābhyām	sambhāvayitavyebhyaḥ
Genitive	sambhāvayitavyasya	sambhāvayitavyayoḥ	sambhāvayitavyānām
Locative	sambhāvayitavye	sambhāvayitavyayoḥ	sambhāvayitavyeṣu

Compound sambhāvayitavya -

Adverb -sambhāvayitavyam -sambhāvayitavyāt