nationalism vs trueness

nationalism and trueness both are nouns.

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

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

Other hypernyms of nationalism include loyalty.

nationalism (noun)	trueness (noun)
love of country and willingness to sacrifice for it	exactness of adjustment
the doctrine that your national culture and interests are superior to any other	the quality of being loyal
the doctrine that nations should act independently (rather than collectively) to attain their goals	conformity to reality or actuality
the aspiration for national independence felt by people under foreign domination