chauvinism vs nationalism

chauvinism and nationalism both are nouns.

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

As nouns, nationalism is a hypernym of chauvinism; that is, nationalism is a word with a broader meaning than chauvinism:

Other hypernyms of chauvinism include patriotism.

chauvinism (noun)	nationalism (noun)
activity indicative of belief in the superiority of men over women	love of country and willingness to sacrifice for it
fanatical patriotism	the doctrine that your national culture and interests are superior to any other
	the doctrine that nations should act independently (rather than collectively) to attain their goals
	the aspiration for national independence felt by people under foreign domination