Declension table of ?tvañcāna

Masculine	Singular	Dual	Plural
Nominative	tvañcānaḥ	tvañcānau	tvañcānāḥ
Vocative	tvañcāna	tvañcānau	tvañcānāḥ
Accusative	tvañcānam	tvañcānau	tvañcānān
Instrumental	tvañcānena	tvañcānābhyām	tvañcānaiḥ tvañcānebhiḥ
Dative	tvañcānāya	tvañcānābhyām	tvañcānebhyaḥ
Ablative	tvañcānāt	tvañcānābhyām	tvañcānebhyaḥ
Genitive	tvañcānasya	tvañcānayoḥ	tvañcānānām
Locative	tvañcāne	tvañcānayoḥ	tvañcāneṣu

Compound tvañcāna -

Adverb -tvañcānam -tvañcānāt