Declension table of ?tvādatta

Neuter	Singular	Dual	Plural
Nominative	tvādattam	tvādatte	tvādattāni
Vocative	tvādatta	tvādatte	tvādattāni
Accusative	tvādattam	tvādatte	tvādattāni
Instrumental	tvādattena	tvādattābhyām	tvādattaiḥ
Dative	tvādattāya	tvādattābhyām	tvādattebhyaḥ
Ablative	tvādattāt	tvādattābhyām	tvādattebhyaḥ
Genitive	tvādattasya	tvādattayoḥ	tvādattānām
Locative	tvādatte	tvādattayoḥ	tvādatteṣu

Compound tvādatta -

Adverb -tvādattam -tvādattāt