Declension table of ?tvacitavya

Masculine	Singular	Dual	Plural
Nominative	tvacitavyaḥ	tvacitavyau	tvacitavyāḥ
Vocative	tvacitavya	tvacitavyau	tvacitavyāḥ
Accusative	tvacitavyam	tvacitavyau	tvacitavyān
Instrumental	tvacitavyena	tvacitavyābhyām	tvacitavyaiḥ tvacitavyebhiḥ
Dative	tvacitavyāya	tvacitavyābhyām	tvacitavyebhyaḥ
Ablative	tvacitavyāt	tvacitavyābhyām	tvacitavyebhyaḥ
Genitive	tvacitavyasya	tvacitavyayoḥ	tvacitavyānām
Locative	tvacitavye	tvacitavyayoḥ	tvacitavyeṣu

Compound tvacitavya -

Adverb -tvacitavyam -tvacitavyāt