Declension table of ?vyathana

Masculine	Singular	Dual	Plural
Nominative	vyathanaḥ	vyathanau	vyathanāḥ
Vocative	vyathana	vyathanau	vyathanāḥ
Accusative	vyathanam	vyathanau	vyathanān
Instrumental	vyathanena	vyathanābhyām	vyathanaiḥ vyathanebhiḥ
Dative	vyathanāya	vyathanābhyām	vyathanebhyaḥ
Ablative	vyathanāt	vyathanābhyām	vyathanebhyaḥ
Genitive	vyathanasya	vyathanayoḥ	vyathanānām
Locative	vyathane	vyathanayoḥ	vyathaneṣu

Compound vyathana -

Adverb -vyathanam -vyathanāt