prejudiced vs sexist

prejudiced is not a noun while sexist is a noun.

Word	Noun	Adjective	Verb	Adverb
prejudiced	No	Yes	No	No
sexist	Yes	Yes	No	No

prejudiced (noun)	sexist (noun)
	a man with a chauvinistic belief in the inferiority of women

prejudiced (adjective)	sexist (adjective)
being biased or having a belief or attitude formed beforehand	discriminatory on the basis of sex (usually said of men's attitude toward women)
emanating from a person's emotions and prejudices