Declension table of ?gavyitavya

Neuter	Singular	Dual	Plural
Nominative	gavyitavyam	gavyitavye	gavyitavyāni
Vocative	gavyitavya	gavyitavye	gavyitavyāni
Accusative	gavyitavyam	gavyitavye	gavyitavyāni
Instrumental	gavyitavyena	gavyitavyābhyām	gavyitavyaiḥ
Dative	gavyitavyāya	gavyitavyābhyām	gavyitavyebhyaḥ
Ablative	gavyitavyāt	gavyitavyābhyām	gavyitavyebhyaḥ
Genitive	gavyitavyasya	gavyitavyayoḥ	gavyitavyānām
Locative	gavyitavye	gavyitavyayoḥ	gavyitavyeṣu

Compound gavyitavya -

Adverb -gavyitavyam -gavyitavyāt