Declension table of ?tvacamāna

Masculine	Singular	Dual	Plural
Nominative	tvacamānaḥ	tvacamānau	tvacamānāḥ
Vocative	tvacamāna	tvacamānau	tvacamānāḥ
Accusative	tvacamānam	tvacamānau	tvacamānān
Instrumental	tvacamānena	tvacamānābhyām	tvacamānaiḥ tvacamānebhiḥ
Dative	tvacamānāya	tvacamānābhyām	tvacamānebhyaḥ
Ablative	tvacamānāt	tvacamānābhyām	tvacamānebhyaḥ
Genitive	tvacamānasya	tvacamānayoḥ	tvacamānānām
Locative	tvacamāne	tvacamānayoḥ	tvacamāneṣu

Compound tvacamāna -

Adverb -tvacamānam -tvacamānāt