Declension table of ?tvacāpattra

Neuter	Singular	Dual	Plural
Nominative	tvacāpattram	tvacāpattre	tvacāpattrāṇi
Vocative	tvacāpattra	tvacāpattre	tvacāpattrāṇi
Accusative	tvacāpattram	tvacāpattre	tvacāpattrāṇi
Instrumental	tvacāpattreṇa	tvacāpattrābhyām	tvacāpattraiḥ
Dative	tvacāpattrāya	tvacāpattrābhyām	tvacāpattrebhyaḥ
Ablative	tvacāpattrāt	tvacāpattrābhyām	tvacāpattrebhyaḥ
Genitive	tvacāpattrasya	tvacāpattrayoḥ	tvacāpattrāṇām
Locative	tvacāpattre	tvacāpattrayoḥ	tvacāpattreṣu

Compound tvacāpattra -

Adverb -tvacāpattram -tvacāpattrāt