Declension table of sumanāyitavya

Neuter	Singular	Dual	Plural
Nominative	sumanāyitavyam	sumanāyitavye	sumanāyitavyāni
Vocative	sumanāyitavya	sumanāyitavye	sumanāyitavyāni
Accusative	sumanāyitavyam	sumanāyitavye	sumanāyitavyāni
Instrumental	sumanāyitavyena	sumanāyitavyābhyām	sumanāyitavyaiḥ
Dative	sumanāyitavyāya	sumanāyitavyābhyām	sumanāyitavyebhyaḥ
Ablative	sumanāyitavyāt	sumanāyitavyābhyām	sumanāyitavyebhyaḥ
Genitive	sumanāyitavyasya	sumanāyitavyayoḥ	sumanāyitavyānām
Locative	sumanāyitavye	sumanāyitavyayoḥ	sumanāyitavyeṣu

Compound sumanāyitavya -

Adverb -sumanāyitavyam -sumanāyitavyāt