Declension table of ?nāsitavya

Neuter	Singular	Dual	Plural
Nominative	nāsitavyam	nāsitavye	nāsitavyāni
Vocative	nāsitavya	nāsitavye	nāsitavyāni
Accusative	nāsitavyam	nāsitavye	nāsitavyāni
Instrumental	nāsitavyena	nāsitavyābhyām	nāsitavyaiḥ
Dative	nāsitavyāya	nāsitavyābhyām	nāsitavyebhyaḥ
Ablative	nāsitavyāt	nāsitavyābhyām	nāsitavyebhyaḥ
Genitive	nāsitavyasya	nāsitavyayoḥ	nāsitavyānām
Locative	nāsitavye	nāsitavyayoḥ	nāsitavyeṣu

Compound nāsitavya -

Adverb -nāsitavyam -nāsitavyāt