Declension table of ?tvañcitavya

Neuter	Singular	Dual	Plural
Nominative	tvañcitavyam	tvañcitavye	tvañcitavyāni
Vocative	tvañcitavya	tvañcitavye	tvañcitavyāni
Accusative	tvañcitavyam	tvañcitavye	tvañcitavyāni
Instrumental	tvañcitavyena	tvañcitavyābhyām	tvañcitavyaiḥ
Dative	tvañcitavyāya	tvañcitavyābhyām	tvañcitavyebhyaḥ
Ablative	tvañcitavyāt	tvañcitavyābhyām	tvañcitavyebhyaḥ
Genitive	tvañcitavyasya	tvañcitavyayoḥ	tvañcitavyānām
Locative	tvañcitavye	tvañcitavyayoḥ	tvañcitavyeṣu

Compound tvañcitavya -

Adverb -tvañcitavyam -tvañcitavyāt