sexism vs chauvinism

sexism and chauvinism both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexism	Yes	No	No	No
chauvinism	Yes	No	No	No

As nouns, chauvinism is a hyponym of sexism; that is, chauvinism is a word with a more specific, narrower meaning than sexism:

sexism: discriminatory or abusive behavior towards members of the opposite sex
chauvinism: activity indicative of belief in the superiority of men over women

Other hyponyms of sexism include antifeminism, male chauvinism, sexual discrimination.

sexism (noun)	chauvinism (noun)
discriminatory or abusive behavior towards members of the opposite sex	activity indicative of belief in the superiority of men over women
	fanatical patriotism