Declension table of ?svāpayitavya

Neuter	Singular	Dual	Plural
Nominative	svāpayitavyam	svāpayitavye	svāpayitavyāni
Vocative	svāpayitavya	svāpayitavye	svāpayitavyāni
Accusative	svāpayitavyam	svāpayitavye	svāpayitavyāni
Instrumental	svāpayitavyena	svāpayitavyābhyām	svāpayitavyaiḥ
Dative	svāpayitavyāya	svāpayitavyābhyām	svāpayitavyebhyaḥ
Ablative	svāpayitavyāt	svāpayitavyābhyām	svāpayitavyebhyaḥ
Genitive	svāpayitavyasya	svāpayitavyayoḥ	svāpayitavyānām
Locative	svāpayitavye	svāpayitavyayoḥ	svāpayitavyeṣu

Compound svāpayitavya -

Adverb -svāpayitavyam -svāpayitavyāt