Declension table of ?sāntvayitavya

Neuter	Singular	Dual	Plural
Nominative	sāntvayitavyam	sāntvayitavye	sāntvayitavyāni
Vocative	sāntvayitavya	sāntvayitavye	sāntvayitavyāni
Accusative	sāntvayitavyam	sāntvayitavye	sāntvayitavyāni
Instrumental	sāntvayitavyena	sāntvayitavyābhyām	sāntvayitavyaiḥ
Dative	sāntvayitavyāya	sāntvayitavyābhyām	sāntvayitavyebhyaḥ
Ablative	sāntvayitavyāt	sāntvayitavyābhyām	sāntvayitavyebhyaḥ
Genitive	sāntvayitavyasya	sāntvayitavyayoḥ	sāntvayitavyānām
Locative	sāntvayitavye	sāntvayitavyayoḥ	sāntvayitavyeṣu

Compound sāntvayitavya -

Adverb -sāntvayitavyam -sāntvayitavyāt