Declension table of ?vivyathāna

Masculine	Singular	Dual	Plural
Nominative	vivyathānaḥ	vivyathānau	vivyathānāḥ
Vocative	vivyathāna	vivyathānau	vivyathānāḥ
Accusative	vivyathānam	vivyathānau	vivyathānān
Instrumental	vivyathānena	vivyathānābhyām	vivyathānaiḥ vivyathānebhiḥ
Dative	vivyathānāya	vivyathānābhyām	vivyathānebhyaḥ
Ablative	vivyathānāt	vivyathānābhyām	vivyathānebhyaḥ
Genitive	vivyathānasya	vivyathānayoḥ	vivyathānānām
Locative	vivyathāne	vivyathānayoḥ	vivyathāneṣu

Compound vivyathāna -

Adverb -vivyathānam -vivyathānāt