Declension table of ?tvacita

Neuter	Singular	Dual	Plural
Nominative	tvacitam	tvacite	tvacitāni
Vocative	tvacita	tvacite	tvacitāni
Accusative	tvacitam	tvacite	tvacitāni
Instrumental	tvacitena	tvacitābhyām	tvacitaiḥ
Dative	tvacitāya	tvacitābhyām	tvacitebhyaḥ
Ablative	tvacitāt	tvacitābhyām	tvacitebhyaḥ
Genitive	tvacitasya	tvacitayoḥ	tvacitānām
Locative	tvacite	tvacitayoḥ	tvaciteṣu

Compound tvacita -

Adverb -tvacitam -tvacitāt