Declension table of ?arvitavya

Neuter	Singular	Dual	Plural
Nominative	arvitavyam	arvitavye	arvitavyāni
Vocative	arvitavya	arvitavye	arvitavyāni
Accusative	arvitavyam	arvitavye	arvitavyāni
Instrumental	arvitavyena	arvitavyābhyām	arvitavyaiḥ
Dative	arvitavyāya	arvitavyābhyām	arvitavyebhyaḥ
Ablative	arvitavyāt	arvitavyābhyām	arvitavyebhyaḥ
Genitive	arvitavyasya	arvitavyayoḥ	arvitavyānām
Locative	arvitavye	arvitavyayoḥ	arvitavyeṣu

Compound arvitavya -

Adverb -arvitavyam -arvitavyāt