chauvinist vs nationalist

chauvinist and nationalist both are nouns.

Word	Noun	Adjective	Verb	Adverb
chauvinist	Yes	No	No	No
nationalist	Yes	Yes	No	No

As nouns, nationalist is a hypernym of chauvinist; that is, nationalist is a word with a broader meaning than chauvinist:

Other hypernyms of chauvinist include patriot.

chauvinist (noun)	nationalist (noun)
an extreme bellicose nationalist	one who loves and defends his or her country
a person with a prejudiced belief in the superiority of his or her own kind	an advocate of national independence of or a strong national government

chauvinist (adjective)	nationalist (adjective)
	devotion to the interests or culture of a particular nation including promoting the interests of one country over those of others