Declension table of ?sphuṇḍayitavya

Neuter	Singular	Dual	Plural
Nominative	sphuṇḍayitavyam	sphuṇḍayitavye	sphuṇḍayitavyāni
Vocative	sphuṇḍayitavya	sphuṇḍayitavye	sphuṇḍayitavyāni
Accusative	sphuṇḍayitavyam	sphuṇḍayitavye	sphuṇḍayitavyāni
Instrumental	sphuṇḍayitavyena	sphuṇḍayitavyābhyām	sphuṇḍayitavyaiḥ
Dative	sphuṇḍayitavyāya	sphuṇḍayitavyābhyām	sphuṇḍayitavyebhyaḥ
Ablative	sphuṇḍayitavyāt	sphuṇḍayitavyābhyām	sphuṇḍayitavyebhyaḥ
Genitive	sphuṇḍayitavyasya	sphuṇḍayitavyayoḥ	sphuṇḍayitavyānām
Locative	sphuṇḍayitavye	sphuṇḍayitavyayoḥ	sphuṇḍayitavyeṣu

Compound sphuṇḍayitavya -

Adverb -sphuṇḍayitavyam -sphuṇḍayitavyāt