ultranationalism vs nationalism

ultranationalism and nationalism both are nouns.

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

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

Other hypernyms of ultranationalism include patriotism.

ultranationalism (noun)	nationalism (noun)
fanatical patriotism	love of country and willingness to sacrifice for it
	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