Declension table of ?dhavitavya

Neuter	Singular	Dual	Plural
Nominative	dhavitavyam	dhavitavye	dhavitavyāni
Vocative	dhavitavya	dhavitavye	dhavitavyāni
Accusative	dhavitavyam	dhavitavye	dhavitavyāni
Instrumental	dhavitavyena	dhavitavyābhyām	dhavitavyaiḥ
Dative	dhavitavyāya	dhavitavyābhyām	dhavitavyebhyaḥ
Ablative	dhavitavyāt	dhavitavyābhyām	dhavitavyebhyaḥ
Genitive	dhavitavyasya	dhavitavyayoḥ	dhavitavyānām
Locative	dhavitavye	dhavitavyayoḥ	dhavitavyeṣu

Compound dhavitavya -

Adverb -dhavitavyam -dhavitavyāt