Declension table of ?vasitavya

Neuter	Singular	Dual	Plural
Nominative	vasitavyam	vasitavye	vasitavyāni
Vocative	vasitavya	vasitavye	vasitavyāni
Accusative	vasitavyam	vasitavye	vasitavyāni
Instrumental	vasitavyena	vasitavyābhyām	vasitavyaiḥ
Dative	vasitavyāya	vasitavyābhyām	vasitavyebhyaḥ
Ablative	vasitavyāt	vasitavyābhyām	vasitavyebhyaḥ
Genitive	vasitavyasya	vasitavyayoḥ	vasitavyānām
Locative	vasitavye	vasitavyayoḥ	vasitavyeṣu

Compound vasitavya -

Adverb -vasitavyam -vasitavyāt