Declension table of viveka

Masculine	Singular	Dual	Plural
Nominative	vivekaḥ	vivekau	vivekāḥ
Vocative	viveka	vivekau	vivekāḥ
Accusative	vivekam	vivekau	vivekān
Instrumental	vivekena	vivekābhyām	vivekaiḥ vivekebhiḥ
Dative	vivekāya	vivekābhyām	vivekebhyaḥ
Ablative	vivekāt	vivekābhyām	vivekebhyaḥ
Genitive	vivekasya	vivekayoḥ	vivekānām
Locative	viveke	vivekayoḥ	vivekeṣu

Compound viveka -

Adverb -vivekam -vivekāt