Declension table of ?jātavya

Neuter	Singular	Dual	Plural
Nominative	jātavyam	jātavye	jātavyāni
Vocative	jātavya	jātavye	jātavyāni
Accusative	jātavyam	jātavye	jātavyāni
Instrumental	jātavyena	jātavyābhyām	jātavyaiḥ
Dative	jātavyāya	jātavyābhyām	jātavyebhyaḥ
Ablative	jātavyāt	jātavyābhyām	jātavyebhyaḥ
Genitive	jātavyasya	jātavyayoḥ	jātavyānām
Locative	jātavye	jātavyayoḥ	jātavyeṣu

Compound jātavya -

Adverb -jātavyam -jātavyāt