evil vs vicious

evil is a noun but vicious is not a noun.

Word	Noun	Adjective	Verb	Adverb
evil	Yes	Yes	No	No
vicious	No	Yes	No	No

As adjectives, evil and vicious are synonyms defined as:

evil (noun)	vicious (noun)
morally objectionable behavior
the quality of being morally wrong in principle or practice

evil (adjective)	vicious (adjective)
morally bad or wrong	(of persons or their actions) able or disposed to inflict pain or suffering
having or exerting a malignant influence	marked by deep ill will; deliberately harmful
having the nature of vice	having the nature of vice
	bringing or deserving severe rebuke or censure