Declension table of ?tvacamāna

Neuter	Singular	Dual	Plural
Nominative	tvacamānam	tvacamāne	tvacamānāni
Vocative	tvacamāna	tvacamāne	tvacamānāni
Accusative	tvacamānam	tvacamāne	tvacamānāni
Instrumental	tvacamānena	tvacamānābhyām	tvacamānaiḥ
Dative	tvacamānāya	tvacamānābhyām	tvacamānebhyaḥ
Ablative	tvacamānāt	tvacamānābhyām	tvacamānebhyaḥ
Genitive	tvacamānasya	tvacamānayoḥ	tvacamānānām
Locative	tvacamāne	tvacamānayoḥ	tvacamāneṣu

Compound tvacamāna -

Adverb -tvacamānam -tvacamānāt