Declension table of ?tvañcamāna

Neuter	Singular	Dual	Plural
Nominative	tvañcamānam	tvañcamāne	tvañcamānāni
Vocative	tvañcamāna	tvañcamāne	tvañcamānāni
Accusative	tvañcamānam	tvañcamāne	tvañcamānāni
Instrumental	tvañcamānena	tvañcamānābhyām	tvañcamānaiḥ
Dative	tvañcamānāya	tvañcamānābhyām	tvañcamānebhyaḥ
Ablative	tvañcamānāt	tvañcamānābhyām	tvañcamānebhyaḥ
Genitive	tvañcamānasya	tvañcamānayoḥ	tvañcamānānām
Locative	tvañcamāne	tvañcamānayoḥ	tvañcamāneṣu

Compound tvañcamāna -

Adverb -tvañcamānam -tvañcamānāt