high-mindedness vs nobility

high-mindedness and nobility both are nouns.

Word	Noun	Adjective	Verb	Adverb
high-mindedness	Yes	No	No	No
nobility	Yes	No	No	No

As nouns, nobility is a hypernym of high-mindedness; that is, nobility is a word with a broader meaning than high-mindedness:

high-mindedness: elevated ideals or conduct; the quality of believing that ideals should be pursued
nobility: the quality of elevation of mind and exaltation of character or ideals or conduct

Other hypernyms of high-mindedness include grandeur, magnanimousness, nobleness.

high-mindedness (noun)	nobility (noun)
elevated ideals or conduct; the quality of believing that ideals should be pursued	the quality of elevation of mind and exaltation of character or ideals or conduct
	a privileged class holding hereditary titles
	the state of being of noble birth