Declension table of ?nabhitavya

Neuter	Singular	Dual	Plural
Nominative	nabhitavyam	nabhitavye	nabhitavyāni
Vocative	nabhitavya	nabhitavye	nabhitavyāni
Accusative	nabhitavyam	nabhitavye	nabhitavyāni
Instrumental	nabhitavyena	nabhitavyābhyām	nabhitavyaiḥ
Dative	nabhitavyāya	nabhitavyābhyām	nabhitavyebhyaḥ
Ablative	nabhitavyāt	nabhitavyābhyām	nabhitavyebhyaḥ
Genitive	nabhitavyasya	nabhitavyayoḥ	nabhitavyānām
Locative	nabhitavye	nabhitavyayoḥ	nabhitavyeṣu

Compound nabhitavya -

Adverb -nabhitavyam -nabhitavyāt