Declension table of ?spandayitavya

Neuter	Singular	Dual	Plural
Nominative	spandayitavyam	spandayitavye	spandayitavyāni
Vocative	spandayitavya	spandayitavye	spandayitavyāni
Accusative	spandayitavyam	spandayitavye	spandayitavyāni
Instrumental	spandayitavyena	spandayitavyābhyām	spandayitavyaiḥ
Dative	spandayitavyāya	spandayitavyābhyām	spandayitavyebhyaḥ
Ablative	spandayitavyāt	spandayitavyābhyām	spandayitavyebhyaḥ
Genitive	spandayitavyasya	spandayitavyayoḥ	spandayitavyānām
Locative	spandayitavye	spandayitavyayoḥ	spandayitavyeṣu

Compound spandayitavya -

Adverb -spandayitavyam -spandayitavyāt